136369633536 has 72 divisors (see below), whose sum is σ = 403269017760. Its totient is φ = 45456542208.

The previous prime is 136369633529. The next prime is 136369633537. The reversal of 136369633536 is 635336963631.

136369633536 is a `hidden beast` number, since 13 + 6 + 3 + 6 + 96 + 3 + 3 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (136369633537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9857790 + ... + 9871613.

It is an arithmetic number, because the mean of its divisors is an integer number (5600958580).

Almost surely, 2^136369633536 is an apocalyptic number.

136369633536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136369633536 is an abundant number, since it is smaller than the sum of its proper divisors (266899384224).

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

136369633536 is an equidigital number, since it uses as much as digits as its factorization.

136369633536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19729428 (or 19729408 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 54.

The spelling of 136369633536 in words is "one hundred thirty-six billion, three hundred sixty-nine million, six hundred thirty-three thousand, five hundred thirty-six".