271365138 has 24 divisors (see below), whose sum is σ = 641408976. Its totient is φ = 82231800.

The previous prime is 271365043. The next prime is 271365179. The reversal of 271365138 is 831563172.

271365138 is a `hidden beast` number, since 2 + 7 + 136 + 513 + 8 = 666.

It is a super-3 number, since 3×271365138³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685068 + ... + 685463.

It is an arithmetic number, because the mean of its divisors is an integer number (26725374).

Almost surely, 2^271365138 is an apocalyptic number.

271365138 is an abundant number, since it is smaller than the sum of its proper divisors (370043838).

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

271365138 is a wasteful number, since it uses less digits than its factorization.

271365138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370550 (or 1370547 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 271365138 is about 16473.1641769273. The cubic root of 271365138 is about 647.4178728392.

The spelling of 271365138 in words is "two hundred seventy-one million, three hundred sixty-five thousand, one hundred thirty-eight".