275015139 has 16 divisors (see below), whose sum is σ = 441127680. Its totient is φ = 148880160.

The previous prime is 275015131. The next prime is 275015161. The reversal of 275015139 is 931510572.

It is not a de Polignac number, because 275015139 - 2³ = 275015131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275015131) 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 15 ways as a sum of consecutive naturals, for example, 344232 + ... + 345029.

It is an arithmetic number, because the mean of its divisors is an integer number (27570480).

Almost surely, 2^275015139 is an apocalyptic number.

275015139 is a deficient number, since it is larger than the sum of its proper divisors (166112541).

275015139 is a wasteful number, since it uses less digits than its factorization.

275015139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689290.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 275015139 is about 16583.5804035196. The cubic root of 275015139 is about 650.3076563303.

It can be divided in two parts, 27501 and 5139, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 275015139 in words is "two hundred seventy-five million, fifteen thousand, one hundred thirty-nine".