2140907813 has 6 divisors (see below), whose sum is σ = 2353229382. Its totient is φ = 1946279720.

The previous prime is 2140907773. The next prime is 2140907819. The reversal of 2140907813 is 3187090412.

It can be written as a sum of positive squares in only one way, i.e., 2075895844 + 65011969 = 45562^2 + 8063^2 .

It is not a de Polignac number, because 2140907813 - 2⁸ = 2140907557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140907819) 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 5 ways as a sum of consecutive naturals, for example, 8846606 + ... + 8846847.

It is an arithmetic number, because the mean of its divisors is an integer number (392204897).

Almost surely, 2^2140907813 is an apocalyptic number.

It is an amenable number.

2140907813 is a deficient number, since it is larger than the sum of its proper divisors (212321569).

2140907813 is a wasteful number, since it uses less digits than its factorization.

2140907813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693475 (or 17693464 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2140907813 is about 46269.9450291439. The cubic root of 2140907813 is about 1288.8409381457.

The spelling of 2140907813 in words is "two billion, one hundred forty million, nine hundred seven thousand, eight hundred thirteen".