2140345312 has 24 divisors (see below), whose sum is σ = 4815777456. Its totient is φ = 917290752.

The previous prime is 2140345189. The next prime is 2140345331. The reversal of 2140345312 is 2135430412.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4777333 + ... + 4777780.

It is an arithmetic number, because the mean of its divisors is an integer number (200657394).

Almost surely, 2^2140345312 is an apocalyptic number.

It is an amenable number.

2140345312 is an abundant number, since it is smaller than the sum of its proper divisors (2675432144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140345312 is an equidigital number, since it uses as much as digits as its factorization.

2140345312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555130 (or 9555122 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2140345312 is about 46263.8661592392. The cubic root of 2140345312 is about 1288.7280517937.

Adding to 2140345312 its reverse (2135430412), we get a palindrome (4275775724).

The spelling of 2140345312 in words is "two billion, one hundred forty million, three hundred forty-five thousand, three hundred twelve".