1424202139 has 2 divisors, whose sum is σ = 1424202140. Its totient is φ = 1424202138.

The previous prime is 1424202137. The next prime is 1424202173. The reversal of 1424202139 is 9312024241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1424202139 - 2¹ = 1424202137 is a prime.

Together with 1424202137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1424202137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712101069 + 712101070.

It is an arithmetic number, because the mean of its divisors is an integer number (712101070).

Almost surely, 2^1424202139 is an apocalyptic number.

1424202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424202139 is an equidigital number, since it uses as much as digits as its factorization.

1424202139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1424202139 is about 37738.6027695780. The cubic root of 1424202139 is about 1125.0984971209.

The spelling of 1424202139 in words is "one billion, four hundred twenty-four million, two hundred two thousand, one hundred thirty-nine".