275406139 has 16 divisors (see below), whose sum is σ = 289647360. Its totient is φ = 261550080.

The previous prime is 275406107. The next prime is 275406167. The reversal of 275406139 is 931604572.

It is a cyclic number.

It is not a de Polignac number, because 275406139 - 2⁵ = 275406107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275406098 and 275406107.

It is not an unprimeable number, because it can be changed into a prime (275406169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477019 + ... + 477595.

It is an arithmetic number, because the mean of its divisors is an integer number (18102960).

Almost surely, 2^275406139 is an apocalyptic number.

275406139 is a deficient number, since it is larger than the sum of its proper divisors (14241221).

275406139 is a wasteful number, since it uses less digits than its factorization.

275406139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 275406139 is about 16595.3649854410. The cubic root of 275406139 is about 650.6156998409.

The spelling of 275406139 in words is "two hundred seventy-five million, four hundred six thousand, one hundred thirty-nine".