136556456240 has 40 divisors (see below), whose sum is σ = 336169867680. Its totient is φ = 51409488896.

The previous prime is 136556456237. The next prime is 136556456243. The reversal of 136556456240 is 42654655631.

It is an interprime number because it is at equal distance from previous prime (136556456237) and next prime (136556456243).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (136556456243) by changing a digit.

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, 50203220 + ... + 50205939.

It is an arithmetic number, because the mean of its divisors is an integer number (8404246692).

Almost surely, 2^136556456240 is an apocalyptic number.

136556456240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136556456240 is an abundant number, since it is smaller than the sum of its proper divisors (199613411440).

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

136556456240 is a wasteful number, since it uses less digits than its factorization.

136556456240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100409189 (or 100409183 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 136556456240 in words is "one hundred thirty-six billion, five hundred fifty-six million, four hundred fifty-six thousand, two hundred forty".