1327446865 has 4 divisors (see below), whose sum is σ = 1592936244. Its totient is φ = 1061957488.

The previous prime is 1327446829. The next prime is 1327446871. The reversal of 1327446865 is 5686447231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 789160464 + 538286401 = 28092^2 + 23201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327446865 - 2¹⁷ = 1327315793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132744682 + ... + 132744691.

It is an arithmetic number, because the mean of its divisors is an integer number (398234061).

Almost surely, 2^1327446865 is an apocalyptic number.

It is an amenable number.

1327446865 is a deficient number, since it is larger than the sum of its proper divisors (265489379).

1327446865 is an equidigital number, since it uses as much as digits as its factorization.

1327446865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265489378.

The product of its digits is 967680, while the sum is 46.

The square root of 1327446865 is about 36434.1442193995. The cubic root of 1327446865 is about 1099.0203026384.

The spelling of 1327446865 in words is "one billion, three hundred twenty-seven million, four hundred forty-six thousand, eight hundred sixty-five".