808264138 has 8 divisors (see below), whose sum is σ = 1322614080. Its totient is φ = 367392780.

The previous prime is 808264129. The next prime is 808264139. The reversal of 808264138 is 831462808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 808264138.

It is not an unprimeable number, because it can be changed into a prime (808264139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18369618 + ... + 18369661.

It is an arithmetic number, because the mean of its divisors is an integer number (165326760).

Almost surely, 2^808264138 is an apocalyptic number.

808264138 is a deficient number, since it is larger than the sum of its proper divisors (514349942).

808264138 is a wasteful number, since it uses less digits than its factorization.

808264138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36739292.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 808264138 is about 28429.9865986602. The cubic root of 808264138 is about 931.5033833397.

The spelling of 808264138 in words is "eight hundred eight million, two hundred sixty-four thousand, one hundred thirty-eight".