1374195439 has 2 divisors, whose sum is σ = 1374195440. Its totient is φ = 1374195438.

The previous prime is 1374195397. The next prime is 1374195451. The reversal of 1374195439 is 9345914731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1374195439 - 2¹³ = 1374187247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374195469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687097719 + 687097720.

It is an arithmetic number, because the mean of its divisors is an integer number (687097720).

Almost surely, 2^1374195439 is an apocalyptic number.

1374195439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374195439 is an equidigital number, since it uses as much as digits as its factorization.

1374195439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 1374195439 is about 37070.1421497140. The cubic root of 1374195439 is about 1111.7731147684.

The spelling of 1374195439 in words is "one billion, three hundred seventy-four million, one hundred ninety-five thousand, four hundred thirty-nine".