137639194 has 48 divisors (see below), whose sum is σ = 267821568. Its totient is φ = 51876000.

The previous prime is 137639179. The next prime is 137639219. The reversal of 137639194 is 491936731.

It is a self number, because there is not a number n which added to its sum of digits gives 137639194.

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 23 ways as a sum of consecutive naturals, for example, 51204 + ... + 53824.

It is an arithmetic number, because the mean of its divisors is an integer number (5579616).

Almost surely, 2^137639194 is an apocalyptic number.

137639194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

137639194 is a deficient number, since it is larger than the sum of its proper divisors (130182374).

137639194 is a wasteful number, since it uses less digits than its factorization.

137639194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683 (or 2672 counting only the distinct ones).

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

The square root of 137639194 is about 11731.9731503273. The cubic root of 137639194 is about 516.3141652916.

The spelling of 137639194 in words is "one hundred thirty-seven million, six hundred thirty-nine thousand, one hundred ninety-four".