137805670 has 16 divisors (see below), whose sum is σ = 261105840. Its totient is φ = 52221024.

The previous prime is 137805659. The next prime is 137805683. The reversal of 137805670 is 76508731.

137805670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 362457 + ... + 362836.

It is an arithmetic number, because the mean of its divisors is an integer number (16319115).

Almost surely, 2^137805670 is an apocalyptic number.

137805670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137805670 is a deficient number, since it is larger than the sum of its proper divisors (123300170).

137805670 is a wasteful number, since it uses less digits than its factorization.

137805670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725319.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 137805670 is about 11739.0659764736. The cubic root of 137805670 is about 516.5222438282.

The spelling of 137805670 in words is "one hundred thirty-seven million, eight hundred five thousand, six hundred seventy".