136977900015 has 32 divisors (see below), whose sum is σ = 239110560000. Its totient is φ = 66407454720.

The previous prime is 136977899999. The next prime is 136977900029. The reversal of 136977900015 is 510009779631.

It is not a de Polignac number, because 136977900015 - 2⁴ = 136977899999 is a prime.

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, 2154756 + ... + 2217414.

It is an arithmetic number, because the mean of its divisors is an integer number (7472205000).

Almost surely, 2^136977900015 is an apocalyptic number.

136977900015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136977900015 is a deficient number, since it is larger than the sum of its proper divisors (102132659985).

136977900015 is a wasteful number, since it uses less digits than its factorization.

136977900015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75927.

The product of its (nonzero) digits is 357210, while the sum is 48.

The spelling of 136977900015 in words is "one hundred thirty-six billion, nine hundred seventy-seven million, nine hundred thousand, fifteen".