2140220399 has 2 divisors, whose sum is σ = 2140220400. Its totient is φ = 2140220398.

The previous prime is 2140220359. The next prime is 2140220413. The reversal of 2140220399 is 9930220412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140220399 - 2⁸ = 2140220143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070110199 + 1070110200.

It is an arithmetic number, because the mean of its divisors is an integer number (1070110200).

Almost surely, 2^2140220399 is an apocalyptic number.

2140220399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140220399 is an equidigital number, since it uses as much as digits as its factorization.

2140220399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2140220399 is about 46262.5161334746. The cubic root of 2140220399 is about 1288.7029807584.

The spelling of 2140220399 in words is "two billion, one hundred forty million, two hundred twenty thousand, three hundred ninety-nine".