1329317952 has 56 divisors (see below), whose sum is σ = 3520903296. Its totient is φ = 442633728.

The previous prime is 1329317929. The next prime is 1329317971. The reversal of 1329317952 is 2597139231.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208638 + ... + 214914.

Almost surely, 2^1329317952 is an apocalyptic number.

1329317952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1329317952 is an abundant number, since it is smaller than the sum of its proper divisors (2191585344).

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

1329317952 is a wasteful number, since it uses less digits than its factorization.

1329317952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395 (or 7385 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 1329317952 is about 36459.8128355042. The cubic root of 1329317952 is about 1099.5364305622.

The spelling of 1329317952 in words is "one billion, three hundred twenty-nine million, three hundred seventeen thousand, nine hundred fifty-two".