137361808 has 20 divisors (see below), whose sum is σ = 272630988. Its totient is φ = 67005440.

The previous prime is 137361793. The next prime is 137361821. The reversal of 137361808 is 808163731.

137361808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39589264 + 97772544 = 6292^2 + 9888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104041 + ... + 105352.

Almost surely, 2^137361808 is an apocalyptic number.

It is an amenable number.

137361808 is a deficient number, since it is larger than the sum of its proper divisors (135269180).

137361808 is a wasteful number, since it uses less digits than its factorization.

137361808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209442 (or 209436 counting only the distinct ones).

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

The square root of 137361808 is about 11720.1453915896. The cubic root of 137361808 is about 515.9670872183.

The spelling of 137361808 in words is "one hundred thirty-seven million, three hundred sixty-one thousand, eight hundred eight".