1343395139 has 2 divisors, whose sum is σ = 1343395140. Its totient is φ = 1343395138.

The previous prime is 1343395127. The next prime is 1343395169. The reversal of 1343395139 is 9315933431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343395139 - 2⁸ = 1343394883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1343395096 and 1343395105.

It is not a weakly prime, because it can be changed into another prime (1343395169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671697569 + 671697570.

It is an arithmetic number, because the mean of its divisors is an integer number (671697570).

Almost surely, 2^1343395139 is an apocalyptic number.

1343395139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343395139 is an equidigital number, since it uses as much as digits as its factorization.

1343395139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 41.

The square root of 1343395139 is about 36652.3551630724. The cubic root of 1343395139 is about 1103.4040935645.

The spelling of 1343395139 in words is "one billion, three hundred forty-three million, three hundred ninety-five thousand, one hundred thirty-nine".