1314440399 has 8 divisors (see below), whose sum is σ = 1388698560. Its totient is φ = 1242111136.

The previous prime is 1314440381. The next prime is 1314440411. The reversal of 1314440399 is 9930444131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1314440399 - 2²⁰ = 1313391823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314440329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480824 + ... + 483549.

It is an arithmetic number, because the mean of its divisors is an integer number (173587320).

Almost surely, 2^1314440399 is an apocalyptic number.

1314440399 is a deficient number, since it is larger than the sum of its proper divisors (74258161).

1314440399 is an equidigital number, since it uses as much as digits as its factorization.

1314440399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964449.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1314440399 is about 36255.2120253075. The cubic root of 1314440399 is about 1095.4190757768.

The spelling of 1314440399 in words is "one billion, three hundred fourteen million, four hundred forty thousand, three hundred ninety-nine".