240402324139 has 2 divisors, whose sum is σ = 240402324140. Its totient is φ = 240402324138.

The previous prime is 240402324083. The next prime is 240402324143. The reversal of 240402324139 is 931423204042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240402324139 - 2⁹ = 240402323627 is a prime.

It is not a weakly prime, because it can be changed into another prime (240402324199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120201162069 + 120201162070.

It is an arithmetic number, because the mean of its divisors is an integer number (120201162070).

Almost surely, 2^240402324139 is an apocalyptic number.

240402324139 is a deficient number, since it is larger than the sum of its proper divisors (1).

240402324139 is an equidigital number, since it uses as much as digits as its factorization.

240402324139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 240402324139 in words is "two hundred forty billion, four hundred two million, three hundred twenty-four thousand, one hundred thirty-nine".