1420014439 has 2 divisors, whose sum is σ = 1420014440. Its totient is φ = 1420014438.

The previous prime is 1420014397. The next prime is 1420014451. The reversal of 1420014439 is 9344100241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420014439 - 2⁷ = 1420014311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420015439) 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, 710007219 + 710007220.

It is an arithmetic number, because the mean of its divisors is an integer number (710007220).

Almost surely, 2^1420014439 is an apocalyptic number.

1420014439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420014439 is an equidigital number, since it uses as much as digits as its factorization.

1420014439 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 1420014439 is about 37683.0789479841. The cubic root of 1420014439 is about 1123.9946742971.

The spelling of 1420014439 in words is "one billion, four hundred twenty million, fourteen thousand, four hundred thirty-nine".