1327688147 has 4 divisors (see below), whose sum is σ = 1347504456. Its totient is φ = 1307871840.

The previous prime is 1327688123. The next prime is 1327688149. The reversal of 1327688147 is 7418867231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1327688147 - 2²⁰ = 1326639571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327688149) 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 3 ways as a sum of consecutive naturals, for example, 9908054 + ... + 9908187.

It is an arithmetic number, because the mean of its divisors is an integer number (336876114).

Almost surely, 2^1327688147 is an apocalyptic number.

1327688147 is a deficient number, since it is larger than the sum of its proper divisors (19816309).

1327688147 is an equidigital number, since it uses as much as digits as its factorization.

1327688147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19816308.

The product of its digits is 451584, while the sum is 47.

The square root of 1327688147 is about 36437.4552761304. The cubic root of 1327688147 is about 1099.0868860322.

The spelling of 1327688147 in words is "one billion, three hundred twenty-seven million, six hundred eighty-eight thousand, one hundred forty-seven".