136936839668 has 24 divisors (see below), whose sum is σ = 244184619168. Its totient is φ = 67170056096.

The previous prime is 136936839667. The next prime is 136936839703. The reversal of 136936839668 is 866938639631.

It is a junction number, because it is equal to n+sod(n) for n = 136936839598 and 136936839607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136936839661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740355 + ... + 2789877.

It is an arithmetic number, because the mean of its divisors is an integer number (10174359132).

Almost surely, 2^136936839668 is an apocalyptic number.

It is an amenable number.

136936839668 is a deficient number, since it is larger than the sum of its proper divisors (107247779500).

136936839668 is a wasteful number, since it uses less digits than its factorization.

136936839668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62623 (or 62621 counting only the distinct ones).

The product of its digits is 181398528, while the sum is 68.

The spelling of 136936839668 in words is "one hundred thirty-six billion, nine hundred thirty-six million, eight hundred thirty-nine thousand, six hundred sixty-eight".