diff --git a/awx/ui_next/src/util/validators.jsx b/awx/ui_next/src/util/validators.jsx
index 0dfbe77fcf..499957f6e5 100644
--- a/awx/ui_next/src/util/validators.jsx
+++ b/awx/ui_next/src/util/validators.jsx
@@ -79,7 +79,11 @@ export function integer(i18n) {
 export function number(i18n) {
   return value => {
     const str = String(value);
-    if (/^[0-9]*(\.[0-9]*)?$/.test(str)) {
+    if (/^-?[0-9]*(\.[0-9]*)?$/.test(str)) {
+      return undefined;
+    }
+    // large number scientific notation (e.g. '1e+21')
+    if (/^-?[0-9]*e[+-][0-9]*$/.test(str)) {
       return undefined;
     }
     return i18n._(t`This field must be a number`);
diff --git a/awx/ui_next/src/util/validators.test.js b/awx/ui_next/src/util/validators.test.js
index 6a0a221d57..a660c8ea5c 100644
--- a/awx/ui_next/src/util/validators.test.js
+++ b/awx/ui_next/src/util/validators.test.js
@@ -121,10 +121,19 @@ describe('validators', () => {
     expect(number(i18n)('13')).toBeUndefined();
   });
 
+  test('number should accept negative number', () => {
+    expect(number(i18n)(-14)).toBeUndefined();
+  });
+
   test('number should accept decimal/float', () => {
     expect(number(i18n)(13.1)).toBeUndefined();
   });
 
+  test('number should accept large number', () => {
+    expect(number(i18n)(999999999999999999999.9)).toBeUndefined();
+    expect(number(i18n)(-999999999999999999999.9)).toBeUndefined();
+  });
+
   test('number should reject string containing alphanum', () => {
     expect(number(i18n)('15a')).toEqual({
       id: 'This field must be a number',