136775520636 has 24 divisors (see below), whose sum is σ = 319167470160. Its totient is φ = 45588327552.

The previous prime is 136775520527. The next prime is 136775520697. The reversal of 136775520636 is 636025577631.

It is a congruent number.

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, 274371 + ... + 590618.

It is an arithmetic number, because the mean of its divisors is an integer number (13298644590).

Almost surely, 2^136775520636 is an apocalyptic number.

It is an amenable number.

136775520636 is an abundant number, since it is smaller than the sum of its proper divisors (182391949524).

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

136775520636 is a wasteful number, since it uses less digits than its factorization.

136775520636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878173 (or 878171 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 51.

The spelling of 136775520636 in words is "one hundred thirty-six billion, seven hundred seventy-five million, five hundred twenty thousand, six hundred thirty-six".