136776015620 has 48 divisors (see below), whose sum is σ = 293648528880. Its totient is φ = 53494811136.

The previous prime is 136776015617. The next prime is 136776015631. The reversal of 136776015620 is 26510677631.

It can be written as a sum of positive squares in 8 ways, for example, as 40246336 + 136735769284 = 6344^2 + 369778^2 .

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, 90386 + ... + 530774.

It is an arithmetic number, because the mean of its divisors is an integer number (6117677685).

Almost surely, 2^136776015620 is an apocalyptic number.

136776015620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136776015620 is an abundant number, since it is smaller than the sum of its proper divisors (156872513260).

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

136776015620 is a wasteful number, since it uses less digits than its factorization.

136776015620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440744 (or 440742 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 136776015620 in words is "one hundred thirty-six billion, seven hundred seventy-six million, fifteen thousand, six hundred twenty".