136556006665 has 16 divisors (see below), whose sum is σ = 177641081856. Its totient is φ = 100173528000.

The previous prime is 136556006647. The next prime is 136556006677. The reversal of 136556006665 is 566600655631.

It is not a de Polignac number, because 136556006665 - 2⁷ = 136556006537 is a prime.

It is a Duffinian number.

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, 6946681 + ... + 6966310.

It is an arithmetic number, because the mean of its divisors is an integer number (11102567616).

Almost surely, 2^136556006665 is an apocalyptic number.

It is an amenable number.

136556006665 is a deficient number, since it is larger than the sum of its proper divisors (41085075191).

136556006665 is a wasteful number, since it uses less digits than its factorization.

136556006665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913160.

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 136556006665 in words is "one hundred thirty-six billion, five hundred fifty-six million, six thousand, six hundred sixty-five".