1424340139 has 2 divisors, whose sum is σ = 1424340140. Its totient is φ = 1424340138.

The previous prime is 1424340107. The next prime is 1424340173. The reversal of 1424340139 is 9310434241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1424340139 - 2⁵ = 1424340107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1424340139.

It is not a weakly prime, because it can be changed into another prime (1424340199) 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, 712170069 + 712170070.

It is an arithmetic number, because the mean of its divisors is an integer number (712170070).

Almost surely, 2^1424340139 is an apocalyptic number.

1424340139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424340139 is an equidigital number, since it uses as much as digits as its factorization.

1424340139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1424340139 is about 37740.4310918675. The cubic root of 1424340139 is about 1125.1348352627.

The spelling of 1424340139 in words is "one billion, four hundred twenty-four million, three hundred forty thousand, one hundred thirty-nine".