2140871413 has 4 divisors (see below), whose sum is σ = 2144211948. Its totient is φ = 2137530880.

The previous prime is 2140871399. The next prime is 2140871431. The reversal of 2140871413 is 3141780412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 844367364 + 1296504049 = 29058^2 + 36007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140871413 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 (2140871483) 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, 1669306 + ... + 1670587.

It is an arithmetic number, because the mean of its divisors is an integer number (536052987).

Almost surely, 2^2140871413 is an apocalyptic number.

It is an amenable number.

2140871413 is a deficient number, since it is larger than the sum of its proper divisors (3340535).

2140871413 is an equidigital number, since it uses as much as digits as its factorization.

2140871413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340534.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2140871413 is about 46269.5516835856. The cubic root of 2140871413 is about 1288.8336337558.

The spelling of 2140871413 in words is "two billion, one hundred forty million, eight hundred seventy-one thousand, four hundred thirteen".