2140240079 has 2 divisors, whose sum is σ = 2140240080. Its totient is φ = 2140240078.

The previous prime is 2140240021. The next prime is 2140240147. The reversal of 2140240079 is 9700420412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140240079 - 2²⁴ = 2123462863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140240379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070120039 + 1070120040.

It is an arithmetic number, because the mean of its divisors is an integer number (1070120040).

Almost surely, 2^2140240079 is an apocalyptic number.

2140240079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140240079 is an equidigital number, since it uses as much as digits as its factorization.

2140240079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2140240079 is about 46262.7288321820. The cubic root of 2140240079 is about 1288.7069307560.

The spelling of 2140240079 in words is "two billion, one hundred forty million, two hundred forty thousand, seventy-nine".