137688030 has 24 divisors (see below), whose sum is σ = 357989112. Its totient is φ = 36716784.

The previous prime is 137687983. The next prime is 137688043. The reversal of 137688030 is 30886731.

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, 764844 + ... + 765023.

It is an arithmetic number, because the mean of its divisors is an integer number (14916213).

Almost surely, 2^137688030 is an apocalyptic number.

137688030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137688030 is an abundant number, since it is smaller than the sum of its proper divisors (220301082).

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

137688030 is a wasteful number, since it uses less digits than its factorization.

137688030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529880 (or 1529877 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 137688030 is about 11734.0542865627. The cubic root of 137688030 is about 516.3752228443.

The spelling of 137688030 in words is "one hundred thirty-seven million, six hundred eighty-eight thousand, thirty".