275139 has 12 divisors (see below), whose sum is σ = 418600. Its totient is φ = 173664.

The previous prime is 275131. The next prime is 275147. The reversal of 275139 is 931572.

It is an interprime number because it is at equal distance from previous prime (275131) and next prime (275147).

It is not a de Polignac number, because 275139 - 2³ = 275131 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275139.

It is not an unprimeable number, because it can be changed into a prime (275131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634 + ... + 975.

2²⁷⁵¹³⁹ is an apocalyptic number.

275139 is a deficient number, since it is larger than the sum of its proper divisors (143461).

275139 is a wasteful number, since it uses less digits than its factorization.

275139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1631 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 275139 is about 524.5369386421. The cubic root of 275139 is about 65.0405269947.

It can be divided in two parts, 275 and 139, that added together give a palindrome (414).

The spelling of 275139 in words is "two hundred seventy-five thousand, one hundred thirty-nine".