136586564917 has 4 divisors (see below), whose sum is σ = 149003525376. Its totient is φ = 124169604460.

The previous prime is 136586564909. The next prime is 136586564941. The reversal of 136586564917 is 719465685631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 136586564917 - 2³ = 136586564909 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 (136586564977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6208480213 + ... + 6208480234.

It is an arithmetic number, because the mean of its divisors is an integer number (37250881344).

Almost surely, 2^136586564917 is an apocalyptic number.

It is an amenable number.

136586564917 is a deficient number, since it is larger than the sum of its proper divisors (12416960459).

136586564917 is a wasteful number, since it uses less digits than its factorization.

136586564917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416960458.

The product of its digits is 32659200, while the sum is 61.

The spelling of 136586564917 in words is "one hundred thirty-six billion, five hundred eighty-six million, five hundred sixty-four thousand, nine hundred seventeen".