136736904 has 64 divisors (see below), whose sum is σ = 359346240. Its totient is φ = 43303680.

The previous prime is 136736891. The next prime is 136736911. The reversal of 136736904 is 409637631.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 36394 + ... + 39974.

It is an arithmetic number, because the mean of its divisors is an integer number (5614785).

Almost surely, 2^136736904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136736904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179673120).

136736904 is an abundant number, since it is smaller than the sum of its proper divisors (222609336).

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

136736904 is a wasteful number, since it uses less digits than its factorization.

136736904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 136736904 is about 11693.4556055941. The cubic root of 136736904 is about 515.1834630862.

The spelling of 136736904 in words is "one hundred thirty-six million, seven hundred thirty-six thousand, nine hundred four".