2315138 has 8 divisors (see below), whose sum is σ = 3968832. Its totient is φ = 992196.

The previous prime is 2315129. The next prime is 2315141. The reversal of 2315138 is 8315132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 82670 + ... + 82697.

It is an arithmetic number, because the mean of its divisors is an integer number (496104).

2^2315138 is an apocalyptic number.

2315138 is a deficient number, since it is larger than the sum of its proper divisors (1653694).

2315138 is a wasteful number, since it uses less digits than its factorization.

2315138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165376.

The product of its digits is 720, while the sum is 23.

The square root of 2315138 is about 1521.5577544083. The cubic root of 2315138 is about 132.2895770049.

The spelling of 2315138 in words is "two million, three hundred fifteen thousand, one hundred thirty-eight".