1328828155 has 8 divisors (see below), whose sum is σ = 1596672000. Its totient is φ = 1061677056.

The previous prime is 1328828153. The next prime is 1328828173. The reversal of 1328828155 is 5518288231.

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

It is a cyclic number.

It is not a de Polignac number, because 1328828155 - 2¹ = 1328828153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1328828153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168955 + ... + 176644.

It is an arithmetic number, because the mean of its divisors is an integer number (199584000).

Almost surely, 2^1328828155 is an apocalyptic number.

1328828155 is a deficient number, since it is larger than the sum of its proper divisors (267843845).

1328828155 is an equidigital number, since it uses as much as digits as its factorization.

1328828155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346373.

The product of its digits is 153600, while the sum is 43.

The square root of 1328828155 is about 36453.0952732412. The cubic root of 1328828155 is about 1099.4013698714.

The spelling of 1328828155 in words is "one billion, three hundred twenty-eight million, eight hundred twenty-eight thousand, one hundred fifty-five".