136903935620 has 48 divisors (see below), whose sum is σ = 289005754800. Its totient is φ = 54474854400.

The previous prime is 136903935613. The next prime is 136903935629. The reversal of 136903935620 is 26539309631.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 36722823424 + 100181112196 = 191632^2 + 316514^2 .

It is not an unprimeable number, because it can be changed into a prime (136903935629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5488136 + ... + 5513024.

It is an arithmetic number, because the mean of its divisors is an integer number (6020953225).

Almost surely, 2^136903935620 is an apocalyptic number.

136903935620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136903935620 is an abundant number, since it is smaller than the sum of its proper divisors (152101819180).

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

136903935620 is a wasteful number, since it uses less digits than its factorization.

136903935620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26328 (or 26326 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 47.

The spelling of 136903935620 in words is "one hundred thirty-six billion, nine hundred three million, nine hundred thirty-five thousand, six hundred twenty".