137638108 has 12 divisors (see below), whose sum is σ = 242260200. Its totient is φ = 68420912.

The previous prime is 137638099. The next prime is 137638117. The reversal of 137638108 is 801836731.

It is an interprime number because it is at equal distance from previous prime (137638099) and next prime (137638117).

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, 98758 + ... + 100141.

It is an arithmetic number, because the mean of its divisors is an integer number (20188350).

Almost surely, 2^137638108 is an apocalyptic number.

It is an amenable number.

137638108 is a deficient number, since it is larger than the sum of its proper divisors (104622092).

137638108 is a wasteful number, since it uses less digits than its factorization.

137638108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199076 (or 199074 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 137638108 is about 11731.9268664615. The cubic root of 137638108 is about 516.3128073483.

The spelling of 137638108 in words is "one hundred thirty-seven million, six hundred thirty-eight thousand, one hundred eight".