2315138133 has 72 divisors (see below), whose sum is σ = 4003253184. Its totient is φ = 1185528960.

The previous prime is 2315138131. The next prime is 2315138141. The reversal of 2315138133 is 3318315132.

It is not a de Polignac number, because 2315138133 - 2¹ = 2315138131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2315138133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315138131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1297560 + ... + 1299342.

Almost surely, 2^2315138133 is an apocalyptic number.

It is an amenable number.

2315138133 is a deficient number, since it is larger than the sum of its proper divisors (1688115051).

2315138133 is a wasteful number, since it uses less digits than its factorization.

2315138133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1877 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 2315138133 is about 48115.8823362931. The cubic root of 2315138133 is about 1322.8957953816.

The spelling of 2315138133 in words is "two billion, three hundred fifteen million, one hundred thirty-eight thousand, one hundred thirty-three".