137911700491 has 16 divisors (see below), whose sum is σ = 145120377600. Its totient is φ = 130867655968.

The previous prime is 137911700483. The next prime is 137911700497. The reversal of 137911700491 is 194007119731.

It is not a de Polignac number, because 137911700491 - 2³ = 137911700483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137911700497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10237026 + ... + 10250488.

It is an arithmetic number, because the mean of its divisors is an integer number (9070023600).

Almost surely, 2^137911700491 is an apocalyptic number.

137911700491 is a deficient number, since it is larger than the sum of its proper divisors (7208677109).

137911700491 is a wasteful number, since it uses less digits than its factorization.

137911700491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19538.

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 137911700491 in words is "one hundred thirty-seven billion, nine hundred eleven million, seven hundred thousand, four hundred ninety-one".