136568536977 has 16 divisors (see below), whose sum is σ = 182378673792. Its totient is φ = 90902163840.

The previous prime is 136568536963. The next prime is 136568536981. The reversal of 136568536977 is 779635865631.

It is not a de Polignac number, because 136568536977 - 2¹⁸ = 136568274833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136568536957) 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 15 ways as a sum of consecutive naturals, for example, 5059477 + ... + 5086397.

It is an arithmetic number, because the mean of its divisors is an integer number (11398667112).

Almost surely, 2^136568536977 is an apocalyptic number.

It is an amenable number.

136568536977 is a deficient number, since it is larger than the sum of its proper divisors (45810136815).

136568536977 is a wasteful number, since it uses less digits than its factorization.

136568536977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29528.

The product of its digits is 171460800, while the sum is 66.

The spelling of 136568536977 in words is "one hundred thirty-six billion, five hundred sixty-eight million, five hundred thirty-six thousand, nine hundred seventy-seven".