268655136 has 48 divisors (see below), whose sum is σ = 742341600. Its totient is φ = 84837888.

The previous prime is 268655119. The next prime is 268655141. The reversal of 268655136 is 631556862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 71821 + ... + 75468.

It is an arithmetic number, because the mean of its divisors is an integer number (15465450).

Almost surely, 2^268655136 is an apocalyptic number.

It is an amenable number.

268655136 is an abundant number, since it is smaller than the sum of its proper divisors (473686464).

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

268655136 is a wasteful number, since it uses less digits than its factorization.

268655136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147321 (or 147313 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 268655136 is about 16390.7027305116. The cubic root of 268655136 is about 645.2555012037.

The spelling of 268655136 in words is "two hundred sixty-eight million, six hundred fifty-five thousand, one hundred thirty-six".