Q: What is the negative version of the number 215,540,137?
A: -215,540,137
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:
| 215,540,135 | 215,540,136 | 215,540,138 | 215,540,139 |
| -215,540,135 | -215,540,136 | -215,540,138 | -215,540,139 |