2715140 has 12 divisors (see below), whose sum is σ = 5701836. Its totient is φ = 1086048.

The previous prime is 2715113. The next prime is 2715161. The reversal of 2715140 is 415172.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 2208196 = 712^2 + 1486^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 135757 = 2715140 / (2 + 7 + 1 + 5 + 1 + 4 + 0).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67859 + ... + 67898.

It is an arithmetic number, because the mean of its divisors is an integer number (475153).

2^2715140 is an apocalyptic number.

2715140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2715140 is an abundant number, since it is smaller than the sum of its proper divisors (2986696).

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

2715140 is a wasteful number, since it uses less digits than its factorization.

2715140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135766 (or 135764 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2715140 is about 1647.7681875798. The cubic root of 2715140 is about 139.5074528291.

Subtracting from 2715140 its reverse (415172), we obtain a cube (2299968 = 132³).

The spelling of 2715140 in words is "two million, seven hundred fifteen thousand, one hundred forty".