268396131 has 32 divisors (see below), whose sum is σ = 390044160. Its totient is φ = 163649024.

The previous prime is 268396123. The next prime is 268396159. The reversal of 268396131 is 131693862.

It is a cyclic number.

It is not a de Polignac number, because 268396131 - 2³ = 268396123 is a prime.

It is a super-2 number, since 2×268396131² = 144072966271538322, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 268396131.

It is not an unprimeable number, because it can be changed into a prime (268396231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225520 + ... + 226706.

It is an arithmetic number, because the mean of its divisors is an integer number (12188880).

Almost surely, 2^268396131 is an apocalyptic number.

268396131 is a deficient number, since it is larger than the sum of its proper divisors (121648029).

268396131 is a wasteful number, since it uses less digits than its factorization.

268396131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its digits is 46656, while the sum is 39.

The square root of 268396131 is about 16382.7998522841. The cubic root of 268396131 is about 645.0480752580.

The spelling of 268396131 in words is "two hundred sixty-eight million, three hundred ninety-six thousand, one hundred thirty-one".