2715138 has 48 divisors (see below), whose sum is σ = 6570720. Its totient is φ = 805248.

The previous prime is 2715113. The next prime is 2715161. The reversal of 2715138 is 8315172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5581 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (136890).

2^2715138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2715138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285360).

2715138 is an abundant number, since it is smaller than the sum of its proper divisors (3855582).

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

2715138 is a wasteful number, since it uses less digits than its factorization.

2715138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 508 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2715138 is about 1647.7675806982. The cubic root of 2715138 is about 139.5074185749.

The spelling of 2715138 in words is "two million, seven hundred fifteen thousand, one hundred thirty-eight".