1316794399 has 8 divisors (see below), whose sum is σ = 1327253760. Its totient is φ = 1306349400.

The previous prime is 1316794393. The next prime is 1316794403. The reversal of 1316794399 is 9934976131.

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 1316794399 - 2²¹ = 1314697247 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 (1316794393) 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 in 7 ways as a sum of consecutive naturals, for example, 249114 + ... + 254344.

It is an arithmetic number, because the mean of its divisors is an integer number (165906720).

Almost surely, 2^1316794399 is an apocalyptic number.

1316794399 is a deficient number, since it is larger than the sum of its proper divisors (10459361).

1316794399 is a wasteful number, since it uses less digits than its factorization.

1316794399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181.

The product of its digits is 1102248, while the sum is 52.

The square root of 1316794399 is about 36287.6618012238. The cubic root of 1316794399 is about 1096.0726057780.

The spelling of 1316794399 in words is "one billion, three hundred sixteen million, seven hundred ninety-four thousand, three hundred ninety-nine".