1434197839 has 2 divisors, whose sum is σ = 1434197840. Its totient is φ = 1434197838.

The previous prime is 1434197827. The next prime is 1434197909. The reversal of 1434197839 is 9387914341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1434197839 - 2⁹ = 1434197327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1434197792 and 1434197801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434197819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717098919 + 717098920.

It is an arithmetic number, because the mean of its divisors is an integer number (717098920).

Almost surely, 2^1434197839 is an apocalyptic number.

1434197839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434197839 is an equidigital number, since it uses as much as digits as its factorization.

1434197839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 1434197839 is about 37870.8045729161. The cubic root of 1434197839 is about 1127.7245145600.

The spelling of 1434197839 in words is "one billion, four hundred thirty-four million, one hundred ninety-seven thousand, eight hundred thirty-nine".