2139315 has 16 divisors (see below), whose sum is σ = 3452928. Its totient is φ = 1130976.

The previous prime is 2139311. The next prime is 2139323. The reversal of 2139315 is 5139312.

It is a happy number.

It is not a de Polignac number, because 2139315 - 2² = 2139311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2139311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (215808).

2^2139315 is an apocalyptic number.

2139315 is a deficient number, since it is larger than the sum of its proper divisors (1313613).

2139315 is a wasteful number, since it uses less digits than its factorization.

2139315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its digits is 810, while the sum is 24.

The square root of 2139315 is about 1462.6397369140. The cubic root of 2139315 is about 128.8521230791.

The spelling of 2139315 in words is "two million, one hundred thirty-nine thousand, three hundred fifteen".