136500681963 has 32 divisors (see below), whose sum is σ = 186881587200. Its totient is φ = 88581983616.

The previous prime is 136500681949. The next prime is 136500681973. The reversal of 136500681963 is 369186005631.

It is not a de Polignac number, because 136500681963 - 2²¹ = 136498584811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136500681973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44331258 + ... + 44334336.

It is an arithmetic number, because the mean of its divisors is an integer number (5840049600).

Almost surely, 2^136500681963 is an apocalyptic number.

136500681963 is a deficient number, since it is larger than the sum of its proper divisors (50380905237).

136500681963 is a wasteful number, since it uses less digits than its factorization.

136500681963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 136500681963 in words is "one hundred thirty-six billion, five hundred million, six hundred eighty-one thousand, nine hundred sixty-three".