2140323413 has 4 divisors (see below), whose sum is σ = 2146491840. Its totient is φ = 2134154988.

The previous prime is 2140323391. The next prime is 2140323467. The reversal of 2140323413 is 3143230412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140323413 - 2²⁴ = 2123546197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140323473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083693 + ... + 3084386.

It is an arithmetic number, because the mean of its divisors is an integer number (536622960).

Almost surely, 2^2140323413 is an apocalyptic number.

It is an amenable number.

2140323413 is a deficient number, since it is larger than the sum of its proper divisors (6168427).

2140323413 is an equidigital number, since it uses as much as digits as its factorization.

2140323413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168426.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2140323413 is about 46263.6294836451. The cubic root of 2140323413 is about 1288.7236565603.

Adding to 2140323413 its reverse (3143230412), we get a palindrome (5283553825).

The spelling of 2140323413 in words is "two billion, one hundred forty million, three hundred twenty-three thousand, four hundred thirteen".