136605265644 has 24 divisors (see below), whose sum is σ = 319783887808. Its totient is φ = 45386764560.

The previous prime is 136605265631. The next prime is 136605265661. The reversal of 136605265644 is 446562506631.

It is a junction number, because it is equal to n+sod(n) for n = 136605265593 and 136605265602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18536662 + ... + 18544029.

Almost surely, 2^136605265644 is an apocalyptic number.

It is an amenable number.

136605265644 is an abundant number, since it is smaller than the sum of its proper divisors (183178622164).

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

136605265644 is a wasteful number, since it uses less digits than its factorization.

136605265644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37081005 (or 37081003 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 136605265644 in words is "one hundred thirty-six billion, six hundred five million, two hundred sixty-five thousand, six hundred forty-four".