136879661154904 has 32 divisors (see below), whose sum is σ = 260159751043920. Its totient is φ = 67509217885696.

The previous prime is 136879661154883. The next prime is 136879661154937. The reversal of 136879661154904 is 409451166978631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342946789 + ... + 343345684.

Almost surely, 2^{136879661154904} is an apocalyptic number.

It is an amenable number.

136879661154904 is a deficient number, since it is larger than the sum of its proper divisors (123280089889016).

136879661154904 is a wasteful number, since it uses less digits than its factorization.

136879661154904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686292819 (or 686292815 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 136879661154904 in words is "one hundred thirty-six trillion, eight hundred seventy-nine billion, six hundred sixty-one million, one hundred fifty-four thousand, nine hundred four".