275015140 has 24 divisors (see below), whose sum is σ = 602642880. Its totient is φ = 105223008.

The previous prime is 275015131. The next prime is 275015161. The reversal of 275015140 is 41510572.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298470 + ... + 299389.

It is an arithmetic number, because the mean of its divisors is an integer number (25110120).

Almost surely, 2^275015140 is an apocalyptic number.

275015140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275015140 is an abundant number, since it is smaller than the sum of its proper divisors (327627740).

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

275015140 is a wasteful number, since it uses less digits than its factorization.

275015140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597891 (or 597889 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 275015140 is about 16583.5804336699. The cubic root of 275015140 is about 650.3076571185.

The spelling of 275015140 in words is "two hundred seventy-five million, fifteen thousand, one hundred forty".