137931064 has 16 divisors (see below), whose sum is σ = 273834000. Its totient is φ = 64908672.

The previous prime is 137931049. The next prime is 137931083. The reversal of 137931064 is 460139731.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 3 ways as a sum of consecutive naturals, for example, 506964 + ... + 507235.

It is an arithmetic number, because the mean of its divisors is an integer number (17114625).

Almost surely, 2^137931064 is an apocalyptic number.

It is an amenable number.

137931064 is a deficient number, since it is larger than the sum of its proper divisors (135902936).

137931064 is a wasteful number, since it uses less digits than its factorization.

137931064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014222 (or 1014218 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 137931064 is about 11744.4056469453. The cubic root of 137931064 is about 516.6788633032.

The spelling of 137931064 in words is "one hundred thirty-seven million, nine hundred thirty-one thousand, sixty-four".