137257292 has 12 divisors (see below), whose sum is σ = 252842520. Its totient is φ = 65016576.

The previous prime is 137257279. The next prime is 137257327. The reversal of 137257292 is 292752731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902933 + ... + 903084.

It is an arithmetic number, because the mean of its divisors is an integer number (21070210).

Almost surely, 2^137257292 is an apocalyptic number.

It is an amenable number.

137257292 is a deficient number, since it is larger than the sum of its proper divisors (115585228).

137257292 is a wasteful number, since it uses less digits than its factorization.

137257292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806040 (or 1806038 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 137257292 is about 11715.6857247026. The cubic root of 137257292 is about 515.8361908166.

The spelling of 137257292 in words is "one hundred thirty-seven million, two hundred fifty-seven thousand, two hundred ninety-two".