1344545239 has 2 divisors, whose sum is σ = 1344545240. Its totient is φ = 1344545238.

The previous prime is 1344545233. The next prime is 1344545261. The reversal of 1344545239 is 9325454431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344545239 - 2³ = 1344545231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344545231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672272619 + 672272620.

It is an arithmetic number, because the mean of its divisors is an integer number (672272620).

Almost surely, 2^1344545239 is an apocalyptic number.

1344545239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344545239 is an equidigital number, since it uses as much as digits as its factorization.

1344545239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The square root of 1344545239 is about 36668.0411121183. The cubic root of 1344545239 is about 1103.7188838149.

The spelling of 1344545239 in words is "one billion, three hundred forty-four million, five hundred forty-five thousand, two hundred thirty-nine".