1329313296 has 40 divisors (see below), whose sum is σ = 3435481504. Its totient is φ = 442920960.

The previous prime is 1329313291. The next prime is 1329313303. The reversal of 1329313296 is 6923139231.

It is not an unprimeable number, because it can be changed into a prime (1329313291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161931 + ... + 169941.

Almost surely, 2^1329313296 is an apocalyptic number.

1329313296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1329313296 is an abundant number, since it is smaller than the sum of its proper divisors (2106168208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329313296 is a wasteful number, since it uses less digits than its factorization.

1329313296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11479 (or 11473 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 1329313296 is about 36459.7489843252. The cubic root of 1329313296 is about 1099.5351468343.

The spelling of 1329313296 in words is "one billion, three hundred twenty-nine million, three hundred thirteen thousand, two hundred ninety-six".