136611786807 has 6 divisors (see below), whose sum is σ = 197328136512. Its totient is φ = 91074524532.

The previous prime is 136611786791. The next prime is 136611786811. The reversal of 136611786807 is 708687116631.

136611786807 is a `hidden beast` number, since 13 + 6 + 611 + 7 + 8 + 6 + 8 + 0 + 7 = 666.

It is not a de Polignac number, because 136611786807 - 2⁴ = 136611786791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136611786827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7589543703 + ... + 7589543720.

It is an arithmetic number, because the mean of its divisors is an integer number (32888022752).

Almost surely, 2^136611786807 is an apocalyptic number.

136611786807 is a deficient number, since it is larger than the sum of its proper divisors (60716349705).

136611786807 is a wasteful number, since it uses less digits than its factorization.

136611786807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179087429 (or 15179087426 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 136611786807 in words is "one hundred thirty-six billion, six hundred eleven million, seven hundred eighty-six thousand, eight hundred seven".