136644052620 has 96 divisors (see below), whose sum is σ = 385120770048. Its totient is φ = 36198921472.

The previous prime is 136644052583. The next prime is 136644052627. The reversal of 136644052620 is 26250446631.

It is not an unprimeable number, because it can be changed into a prime (136644052627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24516154 + ... + 24521726.

It is an arithmetic number, because the mean of its divisors is an integer number (4011674688).

Almost surely, 2^136644052620 is an apocalyptic number.

136644052620 is a gapful number since it is divisible by the number (10) 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 136644052620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192560385024).

136644052620 is an abundant number, since it is smaller than the sum of its proper divisors (248476717428).

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

136644052620 is a wasteful number, since it uses less digits than its factorization.

136644052620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199 (or 8197 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 136644052620 in words is "one hundred thirty-six billion, six hundred forty-four million, fifty-two thousand, six hundred twenty".