136984649776 has 20 divisors (see below), whose sum is σ = 285823740832. Its totient is φ = 63223684416.

The previous prime is 136984649773. The next prime is 136984649783. The reversal of 136984649776 is 677946489631.

136984649776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (136984649773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329289816 + ... + 329290231.

Almost surely, 2^136984649776 is an apocalyptic number.

136984649776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136984649776 is an abundant number, since it is smaller than the sum of its proper divisors (148839091056).

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

136984649776 is a wasteful number, since it uses less digits than its factorization.

136984649776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658580068 (or 658580062 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 70.

The spelling of 136984649776 in words is "one hundred thirty-six billion, nine hundred eighty-four million, six hundred forty-nine thousand, seven hundred seventy-six".