137660790 has 16 divisors (see below), whose sum is σ = 330385968. Its totient is φ = 36709536.

The previous prime is 137660779. The next prime is 137660807. The reversal of 137660790 is 97066731.

It is a Curzon number.

It is a congruent number.

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, 2294317 + ... + 2294376.

It is an arithmetic number, because the mean of its divisors is an integer number (20649123).

Almost surely, 2^137660790 is an apocalyptic number.

137660790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137660790 is an abundant number, since it is smaller than the sum of its proper divisors (192725178).

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

137660790 is a wasteful number, since it uses less digits than its factorization.

137660790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588703.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 137660790 is about 11732.8935050140. The cubic root of 137660790 is about 516.3411676235.

The spelling of 137660790 in words is "one hundred thirty-seven million, six hundred sixty thousand, seven hundred ninety".