Select the number from among the given options that can replace the question mark (?) in the following series

Select the number from among the given options that can replace the question mark (?) in the following series.
159, 146, ?, 120, 107, 94, 81
1. 136
2. 131
3. 133
4. 140
Sol:
Pattern follows here is -13, -13, -13, -13, -13, -13