1393414439 has 2 divisors, whose sum is σ = 1393414440. Its totient is φ = 1393414438.

The previous prime is 1393414423. The next prime is 1393414453. The reversal of 1393414439 is 9344143931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1393414439 - 2⁴ = 1393414423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1393414396 and 1393414405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393414459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696707219 + 696707220.

It is an arithmetic number, because the mean of its divisors is an integer number (696707220).

Almost surely, 2^1393414439 is an apocalyptic number.

1393414439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393414439 is an equidigital number, since it uses as much as digits as its factorization.

1393414439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 1393414439 is about 37328.4668718125. The cubic root of 1393414439 is about 1116.9320905948.

The spelling of 1393414439 in words is "one billion, three hundred ninety-three million, four hundred fourteen thousand, four hundred thirty-nine".