1327840097 has 4 divisors (see below), whose sum is σ = 1405948356. Its totient is φ = 1249731840.

The previous prime is 1327840069. The next prime is 1327840153. The reversal of 1327840097 is 7900487231.

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 983700496 + 344139601 = 31364^2 + 18551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1327840097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327840597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39054104 + ... + 39054137.

It is an arithmetic number, because the mean of its divisors is an integer number (351487089).

Almost surely, 2^1327840097 is an apocalyptic number.

1327840097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1327840097 is a deficient number, since it is larger than the sum of its proper divisors (78108259).

1327840097 is an equidigital number, since it uses as much as digits as its factorization.

1327840097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78108258.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1327840097 is about 36439.5402962222. The cubic root of 1327840097 is about 1099.1288135189.

The spelling of 1327840097 in words is "one billion, three hundred twenty-seven million, eight hundred forty thousand, ninety-seven".