136568536976 has 10 divisors (see below), whose sum is σ = 264601540422. Its totient is φ = 68284268480.

The previous prime is 136568536963. The next prime is 136568536981. The reversal of 136568536976 is 679635865631.

It can be written as a sum of positive squares in only one way, i.e., 133882810000 + 2685726976 = 365900^2 + 51824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267766765 + ... + 4267766796.

Almost surely, 2^136568536976 is an apocalyptic number.

136568536976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136568536976 is a deficient number, since it is larger than the sum of its proper divisors (128033003446).

136568536976 is an equidigital number, since it uses as much as digits as its factorization.

136568536976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535533569 (or 8535533563 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 65.

The spelling of 136568536976 in words is "one hundred thirty-six billion, five hundred sixty-eight million, five hundred thirty-six thousand, nine hundred seventy-six".