1328255774 has 8 divisors (see below), whose sum is σ = 1994721960. Its totient is φ = 663348456.

The previous prime is 1328255699. The next prime is 1328255779. The reversal of 1328255774 is 4775528231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328255779) 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, 387584 + ... + 390995.

It is an arithmetic number, because the mean of its divisors is an integer number (249340245).

Almost surely, 2^1328255774 is an apocalyptic number.

1328255774 is a deficient number, since it is larger than the sum of its proper divisors (666466186).

1328255774 is an equidigital number, since it uses as much as digits as its factorization.

1328255774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779434.

The product of its digits is 470400, while the sum is 44.

The square root of 1328255774 is about 36445.2435030965. The cubic root of 1328255774 is about 1099.2434947224.

The spelling of 1328255774 in words is "one billion, three hundred twenty-eight million, two hundred fifty-five thousand, seven hundred seventy-four".