137831108 has 12 divisors (see below), whose sum is σ = 242349072. Its totient is φ = 68588520.

The previous prime is 137831101. The next prime is 137831117. The reversal of 137831108 is 801138731.

It is not an unprimeable number, because it can be changed into a prime (137831101) by changing a digit.

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, 80810 + ... + 82497.

It is an arithmetic number, because the mean of its divisors is an integer number (20195756).

Almost surely, 2^137831108 is an apocalyptic number.

It is an amenable number.

137831108 is a deficient number, since it is larger than the sum of its proper divisors (104517964).

137831108 is a wasteful number, since it uses less digits than its factorization.

137831108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163522 (or 163520 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 137831108 is about 11740.1494027972. The cubic root of 137831108 is about 516.5540240504.

Adding to 137831108 its reverse (801138731), we get a palindrome (938969839).

It can be divided in two parts, 1378 and 31108, that multiplied together give a palindrome (42866824).

The spelling of 137831108 in words is "one hundred thirty-seven million, eight hundred thirty-one thousand, one hundred eight".