275131964 has 24 divisors (see below), whose sum is σ = 490248528. Its totient is φ = 135083520.

The previous prime is 275131921. The next prime is 275132047. The reversal of 275131964 is 469131572.

It is a super-2 number, since 2×275131964² = 151395195228994592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 48122 + ... + 53534.

It is an arithmetic number, because the mean of its divisors is an integer number (20427022).

Almost surely, 2^275131964 is an apocalyptic number.

It is an amenable number.

275131964 is a deficient number, since it is larger than the sum of its proper divisors (215116564).

275131964 is a wasteful number, since it uses less digits than its factorization.

275131964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645 (or 5643 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 275131964 is about 16587.1023388656. The cubic root of 275131964 is about 650.3997257308.

The spelling of 275131964 in words is "two hundred seventy-five million, one hundred thirty-one thousand, nine hundred sixty-four".