2140456913 has 16 divisors (see below), whose sum is σ = 2576931840. Its totient is φ = 1736802000.

The previous prime is 2140456897. The next prime is 2140456931. The reversal of 2140456913 is 3196540412.

It is a cyclic number.

It is not a de Polignac number, because 2140456913 - 2⁴ = 2140456897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140456933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195638 + ... + 206288.

It is an arithmetic number, because the mean of its divisors is an integer number (161058240).

Almost surely, 2^2140456913 is an apocalyptic number.

It is an amenable number.

2140456913 is a deficient number, since it is larger than the sum of its proper divisors (436474927).

2140456913 is a wasteful number, since it uses less digits than its factorization.

2140456913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2140456913 is about 46265.0722792043. The cubic root of 2140456913 is about 1288.7504501794.

The spelling of 2140456913 in words is "two billion, one hundred forty million, four hundred fifty-six thousand, nine hundred thirteen".