Q: What is the negative version of the number 638,740,137?
A: -638,740,137
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 638,740,135 | 638,740,136 | 638,740,138 | 638,740,139 |
| -638,740,135 | -638,740,136 | -638,740,138 | -638,740,139 |