136696559999 has 4 divisors (see below), whose sum is σ = 140030622480. Its totient is φ = 133362497520.

The previous prime is 136696559957. The next prime is 136696560001. The reversal of 136696559999 is 999955696631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999955696631 = 19961 ⋅50095471.

It is a cyclic number.

It is not a de Polignac number, because 136696559999 - 2²⁰ = 136695511423 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 (136696559099) 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, 1667031179 + ... + 1667031260.

It is an arithmetic number, because the mean of its divisors is an integer number (35007655620).

Almost surely, 2^136696559999 is an apocalyptic number.

136696559999 is a deficient number, since it is larger than the sum of its proper divisors (3334062481).

136696559999 is an equidigital number, since it uses as much as digits as its factorization.

136696559999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334062480.

The product of its digits is 956593800, while the sum is 77.

The spelling of 136696559999 in words is "one hundred thirty-six billion, six hundred ninety-six million, five hundred fifty-nine thousand, nine hundred ninety-nine".