136641873108 has 96 divisors (see below), whose sum is σ = 364627267200. Its totient is φ = 39478247424.

The previous prime is 136641873059. The next prime is 136641873119. The reversal of 136641873108 is 801378146631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130948 + ... + 538916.

It is an arithmetic number, because the mean of its divisors is an integer number (3798200700).

Almost surely, 2^136641873108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136641873108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182313633600).

136641873108 is an abundant number, since it is smaller than the sum of its proper divisors (227985394092).

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

136641873108 is a wasteful number, since it uses less digits than its factorization.

136641873108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408121 (or 408119 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 136641873108 in words is "one hundred thirty-six billion, six hundred forty-one million, eight hundred seventy-three thousand, one hundred eight".