137885475 has 96 divisors (see below), whose sum is σ = 284981760. Its totient is φ = 57277440.

The previous prime is 137885471. The next prime is 137885519. The reversal of 137885475 is 574588731.

It is a happy number.

It is not a de Polignac number, because 137885475 - 2² = 137885471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137885471) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 607312 + ... + 607538.

It is an arithmetic number, because the mean of its divisors is an integer number (2968560).

Almost surely, 2^137885475 is an apocalyptic number.

137885475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137885475 is an abundant number, since it is smaller than the sum of its proper divisors (147096285).

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

137885475 is a wasteful number, since it uses less digits than its factorization.

137885475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The square root of 137885475 is about 11742.4646050137. The cubic root of 137885475 is about 516.6219327670.

The spelling of 137885475 in words is "one hundred thirty-seven million, eight hundred eighty-five thousand, four hundred seventy-five".