1327318345 has 8 divisors (see below), whose sum is σ = 1599392520. Its totient is φ = 1057447680.

The previous prime is 1327318303. The next prime is 1327318381. The reversal of 1327318345 is 5438137231.

It can be written as a sum of positive squares in 4 ways, for example, as 92217609 + 1235100736 = 9603^2 + 35144^2 .

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

It is not a de Polignac number, because 1327318345 - 2⁷ = 1327318217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549550 + ... + 551959.

It is an arithmetic number, because the mean of its divisors is an integer number (199924065).

Almost surely, 2^1327318345 is an apocalyptic number.

It is an amenable number.

1327318345 is a deficient number, since it is larger than the sum of its proper divisors (272074175).

1327318345 is a wasteful number, since it uses less digits than its factorization.

1327318345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101755.

The product of its digits is 60480, while the sum is 37.

The square root of 1327318345 is about 36432.3804465204. The cubic root of 1327318345 is about 1098.9848333850.

The spelling of 1327318345 in words is "one billion, three hundred twenty-seven million, three hundred eighteen thousand, three hundred forty-five".