137691934 has 16 divisors (see below), whose sum is σ = 211799808. Its totient is φ = 67099032.

The previous prime is 137691929. The next prime is 137691979. The reversal of 137691934 is 439196731.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45579 + ... + 48505.

It is an arithmetic number, because the mean of its divisors is an integer number (13237488).

Almost surely, 2^137691934 is an apocalyptic number.

137691934 is a deficient number, since it is larger than the sum of its proper divisors (74107874).

137691934 is a wasteful number, since it uses less digits than its factorization.

137691934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519.

The product of its digits is 122472, while the sum is 43.

The square root of 137691934 is about 11734.2206387983. The cubic root of 137691934 is about 516.3801032245.

The spelling of 137691934 in words is "one hundred thirty-seven million, six hundred ninety-one thousand, nine hundred thirty-four".