137585238 has 24 divisors (see below), whose sum is σ = 320096952. Its totient is φ = 39309984.

The previous prime is 137585221. The next prime is 137585243. The reversal of 137585238 is 832585731.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 137585238.

It is a congruent 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, 233695 + ... + 234282.

It is an arithmetic number, because the mean of its divisors is an integer number (13337373).

Almost surely, 2^137585238 is an apocalyptic number.

137585238 is an abundant number, since it is smaller than the sum of its proper divisors (182511714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137585238 is a wasteful number, since it uses less digits than its factorization.

137585238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467996 (or 467989 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 137585238 is about 11729.6733969877. The cubic root of 137585238 is about 516.2466896273.

The spelling of 137585238 in words is "one hundred thirty-seven million, five hundred eighty-five thousand, two hundred thirty-eight".