137358891 has 6 divisors (see below), whose sum is σ = 198407300. Its totient is φ = 91572588.

The previous prime is 137358883. The next prime is 137358913. The reversal of 137358891 is 198853731.

It is not a de Polignac number, because 137358891 - 2³ = 137358883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137358491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7631041 + ... + 7631058.

Almost surely, 2^137358891 is an apocalyptic number.

137358891 is a deficient number, since it is larger than the sum of its proper divisors (61048409).

137358891 is a wasteful number, since it uses less digits than its factorization.

137358891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262105 (or 15262102 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 137358891 is about 11720.0209470803. The cubic root of 137358891 is about 515.9634348526.

The spelling of 137358891 in words is "one hundred thirty-seven million, three hundred fifty-eight thousand, eight hundred ninety-one".