1344239513 has 2 divisors, whose sum is σ = 1344239514. Its totient is φ = 1344239512.

The previous prime is 1344239503. The next prime is 1344239543. The reversal of 1344239513 is 3159324431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1289671744 + 54567769 = 35912^2 + 7387^2 .

It is an emirp because it is prime and its reverse (3159324431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1344239513 - 2⁴ = 1344239497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344239503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672119756 + 672119757.

It is an arithmetic number, because the mean of its divisors is an integer number (672119757).

Almost surely, 2^1344239513 is an apocalyptic number.

It is an amenable number.

1344239513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344239513 is an equidigital number, since it uses as much as digits as its factorization.

1344239513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 1344239513 is about 36663.8720404706. The cubic root of 1344239513 is about 1103.6352220363.

The spelling of 1344239513 in words is "one billion, three hundred forty-four million, two hundred thirty-nine thousand, five hundred thirteen".