15275140 has 12 divisors (see below), whose sum is σ = 32077836. Its totient is φ = 6110048.

The previous prime is 15275137. The next prime is 15275147. The reversal of 15275140 is 4157251.

It can be written as a sum of positive squares in 2 ways, for example, as 2214144 + 13060996 = 1488^2 + 3614^2 .

It is not an unprimeable number, because it can be changed into a prime (15275147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381859 + ... + 381898.

It is an arithmetic number, because the mean of its divisors is an integer number (2673153).

Almost surely, 2^15275140 is an apocalyptic number.

15275140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15275140 is an abundant number, since it is smaller than the sum of its proper divisors (16802696).

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

15275140 is a wasteful number, since it uses less digits than its factorization.

15275140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763766 (or 763764 counting only the distinct ones).

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

The square root of 15275140 is about 3908.3423596200. The cubic root of 15275140 is about 248.1199775011.

The spelling of 15275140 in words is "fifteen million, two hundred seventy-five thousand, one hundred forty".