137942530 has 16 divisors (see below), whose sum is σ = 270869184. Its totient is φ = 50160880.

The previous prime is 137942521. The next prime is 137942579. The reversal of 137942530 is 35249731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626902 + ... + 627121.

It is an arithmetic number, because the mean of its divisors is an integer number (16929324).

Almost surely, 2^137942530 is an apocalyptic number.

137942530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137942530 is a deficient number, since it is larger than the sum of its proper divisors (132926654).

137942530 is a wasteful number, since it uses less digits than its factorization.

137942530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254041.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 137942530 is about 11744.8937841089. The cubic root of 137942530 is about 516.6931798164.

The spelling of 137942530 in words is "one hundred thirty-seven million, nine hundred forty-two thousand, five hundred thirty".