6807938136 has 32 divisors (see below), whose sum is σ = 17479843440. Its totient is φ = 2207979648.

The previous prime is 6807938129. The next prime is 6807938141. The reversal of 6807938136 is 6318397086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832411 + ... + 3834186.

Almost surely, 2^6807938136 is an apocalyptic number.

It is an amenable number.

6807938136 is an abundant number, since it is smaller than the sum of its proper divisors (10671905304).

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

6807938136 is a wasteful number, since it uses less digits than its factorization.

6807938136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666643 (or 7666639 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 6807938136 is about 82510.2304929516. The cubic root of 6807938136 is about 1895.2733978967.

The spelling of 6807938136 in words is "six billion, eight hundred seven million, nine hundred thirty-eight thousand, one hundred thirty-six".