1343085839 has 2 divisors, whose sum is σ = 1343085840. Its totient is φ = 1343085838.

The previous prime is 1343085803. The next prime is 1343085847. The reversal of 1343085839 is 9385803431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343085839 is a prime.

It is a super-3 number, since 3×1343085839³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1343085839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343085899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671542919 + 671542920.

It is an arithmetic number, because the mean of its divisors is an integer number (671542920).

Almost surely, 2^1343085839 is an apocalyptic number.

1343085839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343085839 is an equidigital number, since it uses as much as digits as its factorization.

1343085839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 1343085839 is about 36648.1355460274. The cubic root of 1343085839 is about 1103.3194053811.

The spelling of 1343085839 in words is "one billion, three hundred forty-three million, eighty-five thousand, eight hundred thirty-nine".