1344013987 has 2 divisors, whose sum is σ = 1344013988. Its totient is φ = 1344013986.

The previous prime is 1344013889. The next prime is 1344014027. The reversal of 1344013987 is 7893104431.

It is an a-pointer prime, because the next prime (1344014027) can be obtained adding 1344013987 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1344013987 - 2⁷ = 1344013859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344073987) 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, 672006993 + 672006994.

It is an arithmetic number, because the mean of its divisors is an integer number (672006994).

Almost surely, 2^1344013987 is an apocalyptic number.

1344013987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344013987 is an equidigital number, since it uses as much as digits as its factorization.

1344013987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1344013987 is about 36660.7963225023. The cubic root of 1344013987 is about 1103.5734988202.

The spelling of 1344013987 in words is "one billion, three hundred forty-four million, thirteen thousand, nine hundred eighty-seven".