136556612416 has 112 divisors (see below), whose sum is σ = 323675654400. Its totient is φ = 55923130368.

The previous prime is 136556612411. The next prime is 136556612417. The reversal of 136556612416 is 614216655631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136556612411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206045 + ... + 1314403.

It is an arithmetic number, because the mean of its divisors is an integer number (2889961200).

Almost surely, 2^136556612416 is an apocalyptic number.

136556612416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136556612416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161837827200).

136556612416 is an abundant number, since it is smaller than the sum of its proper divisors (187119041984).

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

136556612416 is a wasteful number, since it uses less digits than its factorization.

136556612416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108504 (or 108494 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 136556612416 in words is "one hundred thirty-six billion, five hundred fifty-six million, six hundred twelve thousand, four hundred sixteen".