136644264064320 has 112 divisors (see below), whose sum is σ = 433848067064640. Its totient is φ = 36438258036736.

The previous prime is 136644264064283. The next prime is 136644264064339. The reversal of 136644264064320 is 23460462446631.

It is a super-2 number, since 2×136644264064320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232403671 + ... + 232990889.

Almost surely, 2^{136644264064320} is an apocalyptic number.

136644264064320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136644264064320 is an abundant number, since it is smaller than the sum of its proper divisors (297203803000320).

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

136644264064320 is a wasteful number, since it uses less digits than its factorization.

136644264064320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829632 (or 829622 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 51.

The spelling of 136644264064320 in words is "one hundred thirty-six trillion, six hundred forty-four billion, two hundred sixty-four million, sixty-four thousand, three hundred twenty".