268477138 has 8 divisors (see below), whose sum is σ = 402848640. Its totient is φ = 134194260.

The previous prime is 268477129. The next prime is 268477159. The reversal of 268477138 is 831774862.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13978 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (50356080).

Almost surely, 2^268477138 is an apocalyptic number.

268477138 is a deficient number, since it is larger than the sum of its proper divisors (134371502).

268477138 is a wasteful number, since it uses less digits than its factorization.

268477138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44312.

The product of its digits is 451584, while the sum is 46.

The square root of 268477138 is about 16385.2719843157. The cubic root of 268477138 is about 645.1129646103.

The spelling of 268477138 in words is "two hundred sixty-eight million, four hundred seventy-seven thousand, one hundred thirty-eight".