137872108 has 24 divisors (see below), whose sum is σ = 278694864. Its totient is φ = 58982400.

The previous prime is 137872093. The next prime is 137872109. The reversal of 137872108 is 801278731.

137872108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137872109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91413 + ... + 92908.

It is an arithmetic number, because the mean of its divisors is an integer number (11612286).

Almost surely, 2^137872108 is an apocalyptic number.

It is an amenable number.

137872108 is an abundant number, since it is smaller than the sum of its proper divisors (140822756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137872108 is a wasteful number, since it uses less digits than its factorization.

137872108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184353 (or 184351 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 137872108 is about 11741.8954176913. The cubic root of 137872108 is about 516.6052379737.

The spelling of 137872108 in words is "one hundred thirty-seven million, eight hundred seventy-two thousand, one hundred eight".