136961527899 has 16 divisors (see below), whose sum is σ = 208759851008. Its totient is φ = 78242516352.

The previous prime is 136961527861. The next prime is 136961527907. The reversal of 136961527899 is 998725169631.

It is not a de Polignac number, because 136961527899 - 2⁷ = 136961527771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136961527399) 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, 804427 + ... + 959700.

It is an arithmetic number, because the mean of its divisors is an integer number (13047490688).

Almost surely, 2^136961527899 is an apocalyptic number.

136961527899 is a deficient number, since it is larger than the sum of its proper divisors (71798323109).

136961527899 is a wasteful number, since it uses less digits than its factorization.

136961527899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767834.

The product of its digits is 44089920, while the sum is 66.

The spelling of 136961527899 in words is "one hundred thirty-six billion, nine hundred sixty-one million, five hundred twenty-seven thousand, eight hundred ninety-nine".