136620046644 has 48 divisors (see below), whose sum is σ = 352207191168. Its totient is φ = 40997659648.

The previous prime is 136620046643. The next prime is 136620046657. The reversal of 136620046644 is 446640026631.

It is a junction number, because it is equal to n+sod(n) for n = 136620046596 and 136620046605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620046643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14554137 + ... + 14563520.

It is an arithmetic number, because the mean of its divisors is an integer number (7337649816).

Almost surely, 2^136620046644 is an apocalyptic number.

It is an amenable number.

136620046644 is an abundant number, since it is smaller than the sum of its proper divisors (215587144524).

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

136620046644 is a wasteful number, since it uses less digits than its factorization.

136620046644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29117704 (or 29117702 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 136620046644 in words is "one hundred thirty-six billion, six hundred twenty million, forty-six thousand, six hundred forty-four".