136797672591 has 6 divisors (see below), whose sum is σ = 197596638200. Its totient is φ = 91198448388.

The previous prime is 136797672587. The next prime is 136797672601. The reversal of 136797672591 is 195276797631.

136797672591 is a `hidden beast` number, since 1 + 36 + 7 + 9 + 7 + 6 + 7 + 2 + 591 = 666.

It is not a de Polignac number, because 136797672591 - 2² = 136797672587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136797673591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7599870691 + ... + 7599870708.

Almost surely, 2^136797672591 is an apocalyptic number.

136797672591 is a deficient number, since it is larger than the sum of its proper divisors (60798965609).

136797672591 is a wasteful number, since it uses less digits than its factorization.

136797672591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15199741405 (or 15199741402 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 63.

The spelling of 136797672591 in words is "one hundred thirty-six billion, seven hundred ninety-seven million, six hundred seventy-two thousand, five hundred ninety-one".