136354885128 has 96 divisors (see below), whose sum is σ = 460419111360. Its totient is φ = 35416851840.

The previous prime is 136354885109. The next prime is 136354885169. The reversal of 136354885128 is 821588453631.

136354885128 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 548 + 85 + 12 + 8 = 666.

136354885128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12291975 + ... + 12303062.

It is an arithmetic number, because the mean of its divisors is an integer number (4796032410).

Almost surely, 2^136354885128 is an apocalyptic number.

136354885128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136354885128 is an abundant number, since it is smaller than the sum of its proper divisors (324064226232).

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

136354885128 is a wasteful number, since it uses less digits than its factorization.

136354885128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24595067 (or 24595060 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 136354885128 in words is "one hundred thirty-six billion, three hundred fifty-four million, eight hundred eighty-five thousand, one hundred twenty-eight".