136706772684 has 48 divisors (see below), whose sum is σ = 322445694816. Its totient is φ = 45074688000.

The previous prime is 136706772679. The next prime is 136706772749. The reversal of 136706772684 is 486277607631.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 2181874 + ... + 2243654.

It is an arithmetic number, because the mean of its divisors is an integer number (6717618642).

Almost surely, 2^136706772684 is an apocalyptic number.

It is an amenable number.

136706772684 is an abundant number, since it is smaller than the sum of its proper divisors (185738922132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136706772684 is a wasteful number, since it uses less digits than its factorization.

136706772684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63786 (or 63784 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 136706772684 in words is "one hundred thirty-six billion, seven hundred six million, seven hundred seventy-two thousand, six hundred eighty-four".