1328969153 has 4 divisors (see below), whose sum is σ = 1329240000. Its totient is φ = 1328698308.

The previous prime is 1328969149. The next prime is 1328969171. The reversal of 1328969153 is 3519698231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1328969153 - 2² = 1328969149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1328969098 and 1328969107.

It is not an unprimeable number, because it can be changed into a prime (1328969113) 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, 127925 + ... + 137922.

It is an arithmetic number, because the mean of its divisors is an integer number (332310000).

Almost surely, 2^1328969153 is an apocalyptic number.

It is an amenable number.

1328969153 is a deficient number, since it is larger than the sum of its proper divisors (270847).

1328969153 is an equidigital number, since it uses as much as digits as its factorization.

1328969153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270846.

The product of its digits is 349920, while the sum is 47.

The square root of 1328969153 is about 36455.0291866568. The cubic root of 1328969153 is about 1099.4402532317.

The spelling of 1328969153 in words is "one billion, three hundred twenty-eight million, nine hundred sixty-nine thousand, one hundred fifty-three".