136808694 has 24 divisors (see below), whose sum is σ = 323366472. Its totient is φ = 41457120.

The previous prime is 136808687. The next prime is 136808713. The reversal of 136808694 is 496808631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345279 + ... + 345674.

It is an arithmetic number, because the mean of its divisors is an integer number (13473603).

Almost surely, 2^136808694 is an apocalyptic number.

136808694 is an abundant number, since it is smaller than the sum of its proper divisors (186557778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136808694 is a wasteful number, since it uses less digits than its factorization.

136808694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690972 (or 690969 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 136808694 is about 11696.5248685240. The cubic root of 136808694 is about 515.2736083432.

The spelling of 136808694 in words is "one hundred thirty-six million, eight hundred eight thousand, six hundred ninety-four".