1327355965 has 8 divisors (see below), whose sum is σ = 1715352408. Its totient is φ = 980201280.

The previous prime is 1327355959. The next prime is 1327355977. The reversal of 1327355965 is 5695537231.

It can be written as a sum of positive squares in 4 ways, for example, as 173870596 + 1153485369 = 13186^2 + 33963^2 .

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

It is not a de Polignac number, because 1327355965 - 2⁵ = 1327355933 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 10210366 + ... + 10210495.

It is an arithmetic number, because the mean of its divisors is an integer number (214419051).

Almost surely, 2^1327355965 is an apocalyptic number.

It is an amenable number.

1327355965 is a deficient number, since it is larger than the sum of its proper divisors (387996443).

1327355965 is a wasteful number, since it uses less digits than its factorization.

1327355965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20420879.

The product of its digits is 850500, while the sum is 46.

The square root of 1327355965 is about 36432.8967418184. The cubic root of 1327355965 is about 1098.9952160785.

The spelling of 1327355965 in words is "one billion, three hundred twenty-seven million, three hundred fifty-five thousand, nine hundred sixty-five".