2138953315 has 8 divisors (see below), whose sum is σ = 2621355840. Its totient is φ = 1674754752.

The previous prime is 2138953301. The next prime is 2138953321. The reversal of 2138953315 is 5133598312.

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

It is a cyclic number.

It is not a de Polignac number, because 2138953315 - 2¹¹ = 2138951267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550730 + ... + 4551199.

It is an arithmetic number, because the mean of its divisors is an integer number (327669480).

Almost surely, 2^2138953315 is an apocalyptic number.

2138953315 is a deficient number, since it is larger than the sum of its proper divisors (482402525).

2138953315 is an equidigital number, since it uses as much as digits as its factorization.

2138953315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101981.

The product of its digits is 97200, while the sum is 40.

The square root of 2138953315 is about 46248.8196065586. The cubic root of 2138953315 is about 1288.4486117414.

The spelling of 2138953315 in words is "two billion, one hundred thirty-eight million, nine hundred fifty-three thousand, three hundred fifteen".