271138164 has 24 divisors (see below), whose sum is σ = 690170208. Its totient is φ = 82163040.

The previous prime is 271138157. The next prime is 271138169. The reversal of 271138164 is 461831172.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271138169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026907 + ... + 1027170.

It is an arithmetic number, because the mean of its divisors is an integer number (28757092).

Almost surely, 2^271138164 is an apocalyptic number.

It is an amenable number.

271138164 is an abundant number, since it is smaller than the sum of its proper divisors (419032044).

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

271138164 is a wasteful number, since it uses less digits than its factorization.

271138164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054095 (or 2054093 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 271138164 is about 16466.2735310695. The cubic root of 271138164 is about 647.2373190486.

The spelling of 271138164 in words is "two hundred seventy-one million, one hundred thirty-eight thousand, one hundred sixty-four".