1329463320 has 64 divisors (see below), whose sum is σ = 3991680000. Its totient is φ = 354231168.

The previous prime is 1329463301. The next prime is 1329463339. The reversal of 1329463320 is 233649231.

It is an interprime number because it is at equal distance from previous prime (1329463301) and next prime (1329463339).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168831 + ... + 176529.

It is an arithmetic number, because the mean of its divisors is an integer number (62370000).

Almost surely, 2^1329463320 is an apocalyptic number.

1329463320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1329463320 is an abundant number, since it is smaller than the sum of its proper divisors (2662216680).

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

1329463320 is a wasteful number, since it uses less digits than its factorization.

1329463320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152 (or 9148 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 1329463320 is about 36461.8063183929. The cubic root of 1329463320 is about 1099.5765091568.

The spelling of 1329463320 in words is "one billion, three hundred twenty-nine million, four hundred sixty-three thousand, three hundred twenty".