136644142632 has 128 divisors (see below), whose sum is σ = 357603480960. Its totient is φ = 43467217920.

The previous prime is 136644142567. The next prime is 136644142651. The reversal of 136644142632 is 236241446631.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20201283 + ... + 20208045.

It is an arithmetic number, because the mean of its divisors is an integer number (2793777195).

Almost surely, 2^136644142632 is an apocalyptic number.

136644142632 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 136644142632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178801740480).

136644142632 is an abundant number, since it is smaller than the sum of its proper divisors (220959338328).

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

136644142632 is a wasteful number, since it uses less digits than its factorization.

136644142632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243 (or 7239 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The spelling of 136644142632 in words is "one hundred thirty-six billion, six hundred forty-four million, one hundred forty-two thousand, six hundred thirty-two".