136560981504 has 80 divisors (see below), whose sum is σ = 385207474608. Its totient is φ = 42842652672.

The previous prime is 136560981467. The next prime is 136560981523. The reversal of 136560981504 is 405189065631.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588797 + ... + 2641020.

Almost surely, 2^136560981504 is an apocalyptic number.

It is an amenable number.

136560981504 is an abundant number, since it is smaller than the sum of its proper divisors (248646493104).

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

136560981504 is an equidigital number, since it uses as much as digits as its factorization.

136560981504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229855 (or 5229839 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 136560981504 in words is "one hundred thirty-six billion, five hundred sixty million, nine hundred eighty-one thousand, five hundred four".