137371685 has 8 divisors (see below), whose sum is σ = 179832096. Its totient is φ = 99906640.

The previous prime is 137371669. The next prime is 137371693. The reversal of 137371685 is 586173731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137371685 - 2⁴ = 137371669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248779 + ... + 1248888.

It is an arithmetic number, because the mean of its divisors is an integer number (22479012).

Almost surely, 2^137371685 is an apocalyptic number.

It is an amenable number.

137371685 is a deficient number, since it is larger than the sum of its proper divisors (42460411).

137371685 is a wasteful number, since it uses less digits than its factorization.

137371685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497683.

The product of its digits is 105840, while the sum is 41.

The square root of 137371685 is about 11720.5667525082. The cubic root of 137371685 is about 515.9794537920.

The spelling of 137371685 in words is "one hundred thirty-seven million, three hundred seventy-one thousand, six hundred eighty-five".