136478038668 has 48 divisors (see below), whose sum is σ = 325899590016. Its totient is φ = 44428567680.

The previous prime is 136478038663. The next prime is 136478038699. The reversal of 136478038668 is 866830874631.

It is not an unprimeable number, because it can be changed into a prime (136478038663) 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, 5111080 + ... + 5137712.

It is an arithmetic number, because the mean of its divisors is an integer number (6789574792).

Almost surely, 2^136478038668 is an apocalyptic number.

It is an amenable number.

136478038668 is an abundant number, since it is smaller than the sum of its proper divisors (189421551348).

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

136478038668 is a wasteful number, since it uses less digits than its factorization.

136478038668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36614 (or 36612 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 136478038668 in words is "one hundred thirty-six billion, four hundred seventy-eight million, thirty-eight thousand, six hundred sixty-eight".