136125056520 has 64 divisors (see below), whose sum is σ = 453750192000. Its totient is φ = 36300014784.

The previous prime is 136125056519. The next prime is 136125056563. The reversal of 136125056520 is 25650521631.

136125056520 is a `hidden beast` number, since 1 + 3 + 6 + 125 + 0 + 5 + 6 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 63019780 + ... + 63021939.

It is an arithmetic number, because the mean of its divisors is an integer number (7089846750).

Almost surely, 2^136125056520 is an apocalyptic number.

136125056520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136125056520 is an abundant number, since it is smaller than the sum of its proper divisors (317625135480).

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

136125056520 is a wasteful number, since it uses less digits than its factorization.

136125056520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126041739 (or 126041729 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 136125056520 in words is "one hundred thirty-six billion, one hundred twenty-five million, fifty-six thousand, five hundred twenty".