136520184705 has 16 divisors (see below), whose sum is σ = 219134657664. Its totient is φ = 72576644480.

The previous prime is 136520184679. The next prime is 136520184727. The reversal of 136520184705 is 507481025631.

It is a happy number.

It is not a de Polignac number, because 136520184705 - 2¹¹ = 136520182657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14627724 + ... + 14637053.

It is an arithmetic number, because the mean of its divisors is an integer number (13695916104).

Almost surely, 2^136520184705 is an apocalyptic number.

136520184705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136520184705 is a deficient number, since it is larger than the sum of its proper divisors (82614472959).

136520184705 is a wasteful number, since it uses less digits than its factorization.

136520184705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29265096.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 136520184705 in words is "one hundred thirty-six billion, five hundred twenty million, one hundred eighty-four thousand, seven hundred five".