137609875 has 32 divisors (see below), whose sum is σ = 194725440. Its totient is φ = 96249600.

The previous prime is 137609873. The next prime is 137609881. The reversal of 137609875 is 578906731.

It is not a de Polignac number, because 137609875 - 2¹ = 137609873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137609873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28647 + ... + 33103.

It is an arithmetic number, because the mean of its divisors is an integer number (6085170).

Almost surely, 2^137609875 is an apocalyptic number.

137609875 is a deficient number, since it is larger than the sum of its proper divisors (57115565).

137609875 is a wasteful number, since it uses less digits than its factorization.

137609875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504 (or 4494 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 137609875 is about 11730.7235497219. The cubic root of 137609875 is about 516.2775020672.

The spelling of 137609875 in words is "one hundred thirty-seven million, six hundred nine thousand, eight hundred seventy-five".