136211360656 has 80 divisors (see below), whose sum is σ = 315152400384. Its totient is φ = 55762261632.

The previous prime is 136211360617. The next prime is 136211360689. The reversal of 136211360656 is 656063112631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878385 + ... + 1949551.

Almost surely, 2^136211360656 is an apocalyptic number.

136211360656 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 136211360656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157576200192).

136211360656 is an abundant number, since it is smaller than the sum of its proper divisors (178941039728).

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

136211360656 is a wasteful number, since it uses less digits than its factorization.

136211360656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71948 (or 71942 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 136211360656 in words is "one hundred thirty-six billion, two hundred eleven million, three hundred sixty thousand, six hundred fifty-six".