137021275 has 12 divisors (see below), whose sum is σ = 179901432. Its totient is φ = 103168640.

The previous prime is 137021237. The next prime is 137021321. The reversal of 137021275 is 572120731.

137021275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137021275 - 2¹¹ = 137019227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160777 + ... + 161626.

It is an arithmetic number, because the mean of its divisors is an integer number (14991786).

Almost surely, 2^137021275 is an apocalyptic number.

137021275 is a deficient number, since it is larger than the sum of its proper divisors (42880157).

137021275 is a wasteful number, since it uses less digits than its factorization.

137021275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322430 (or 322425 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 137021275 is about 11705.6086983975. The cubic root of 137021275 is about 515.5403572112.

The spelling of 137021275 in words is "one hundred thirty-seven million, twenty-one thousand, two hundred seventy-five".