136717071808 has 14 divisors (see below), whose sum is σ = 271297939496. Its totient is φ = 68358535872.

The previous prime is 136717071793. The next prime is 136717071877. The reversal of 136717071808 is 808170717631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068102060 + ... + 1068102187.

Almost surely, 2^136717071808 is an apocalyptic number.

It is an amenable number.

136717071808 is a deficient number, since it is larger than the sum of its proper divisors (134580867688).

136717071808 is an equidigital number, since it uses as much as digits as its factorization.

136717071808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136204259 (or 2136204249 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 49.

The spelling of 136717071808 in words is "one hundred thirty-six billion, seven hundred seventeen million, seventy-one thousand, eight hundred eight".