136500681964 has 24 divisors (see below), whose sum is σ = 239505512400. Its totient is φ = 68070674880.

The previous prime is 136500681949. The next prime is 136500681973. The reversal of 136500681964 is 469186005631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241767 + ... + 4273825.

It is an arithmetic number, because the mean of its divisors is an integer number (9979396350).

Almost surely, 2^136500681964 is an apocalyptic number.

It is an amenable number.

136500681964 is a deficient number, since it is larger than the sum of its proper divisors (103004830436).

136500681964 is a wasteful number, since it uses less digits than its factorization.

136500681964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34833 (or 34831 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 136500681964 in words is "one hundred thirty-six billion, five hundred million, six hundred eighty-one thousand, nine hundred sixty-four".