268385136 has 40 divisors (see below), whose sum is σ = 694372224. Its totient is φ = 89327040.

The previous prime is 268385113. The next prime is 268385149. The reversal of 268385136 is 631583862.

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, 31051 + ... + 38741.

Almost surely, 2^268385136 is an apocalyptic number.

It is an amenable number.

268385136 is an abundant number, since it is smaller than the sum of its proper divisors (425987088).

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

268385136 is a wasteful number, since it uses less digits than its factorization.

268385136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429 (or 8423 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 268385136 is about 16382.4642834953. The cubic root of 268385136 is about 645.0392668841.

The spelling of 268385136 in words is "two hundred sixty-eight million, three hundred eighty-five thousand, one hundred thirty-six".