136612554912 has 144 divisors (see below), whose sum is σ = 404105319072. Its totient is φ = 45399087360.

The previous prime is 136612554899. The next prime is 136612554971. The reversal of 136612554912 is 219455216631.

It is a happy number.

136612554912 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 1 + 2 + 554 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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, 2547318 + ... + 2600394.

It is an arithmetic number, because the mean of its divisors is an integer number (2806286938).

Almost surely, 2^136612554912 is an apocalyptic number.

136612554912 is a gapful number since it is divisible by the number (12) 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 136612554912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202052659536).

136612554912 is an abundant number, since it is smaller than the sum of its proper divisors (267492764160).

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

136612554912 is an equidigital number, since it uses as much as digits as its factorization.

136612554912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53433 (or 53413 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 136612554912 in words is "one hundred thirty-six billion, six hundred twelve million, five hundred fifty-four thousand, nine hundred twelve".