136836974648 has 48 divisors (see below), whose sum is σ = 282083248440. Its totient is φ = 62183401280.

The previous prime is 136836974623. The next prime is 136836974689. The reversal of 136836974648 is 846479638631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4566611 + ... + 4596477.

Almost surely, 2^136836974648 is an apocalyptic number.

It is an amenable number.

136836974648 is an abundant number, since it is smaller than the sum of its proper divisors (145246273792).

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

136836974648 is a wasteful number, since it uses less digits than its factorization.

136836974648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34628 (or 34613 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 65.

The spelling of 136836974648 in words is "one hundred thirty-six billion, eight hundred thirty-six million, nine hundred seventy-four thousand, six hundred forty-eight".