2040321139 has 2 divisors, whose sum is σ = 2040321140. Its totient is φ = 2040321138.

The previous prime is 2040321133. The next prime is 2040321149. The reversal of 2040321139 is 9311230402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040321139 - 2³ = 2040321131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040321131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020160569 + 1020160570.

It is an arithmetic number, because the mean of its divisors is an integer number (1020160570).

Almost surely, 2^2040321139 is an apocalyptic number.

2040321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040321139 is an equidigital number, since it uses as much as digits as its factorization.

2040321139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2040321139 is about 45169.9140911293. The cubic root of 2040321139 is about 1268.3316881406.

The spelling of 2040321139 in words is "two billion, forty million, three hundred twenty-one thousand, one hundred thirty-nine".