HI ADITYA,
The numbers which are in the series are prime numbers.
Prime numbers are the numbers which have only two factors one and the number itself.
Prime numbers between 89 and 139.
97, 101, 103, 107, 109, 113, 127, 131, 137.
The series include the prime numbers leaving one number and taking the other .
Hence : Next term will be 137.
REGARDS
