1329143880 has 32 divisors (see below), whose sum is σ = 3987432000. Its totient is φ = 354438336.

The previous prime is 1329143873. The next prime is 1329143887. The reversal of 1329143880 is 883419231.

It is an interprime number because it is at equal distance from previous prime (1329143873) and next prime (1329143887).

It is not an unprimeable number, because it can be changed into a prime (1329143887) 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, 5537980 + ... + 5538219.

It is an arithmetic number, because the mean of its divisors is an integer number (124607250).

Almost surely, 2^1329143880 is an apocalyptic number.

1329143880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1329143880 is an abundant number, since it is smaller than the sum of its proper divisors (2658288120).

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

1329143880 is a wasteful number, since it uses less digits than its factorization.

1329143880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076213 (or 11076209 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1329143880 is about 36457.4255810802. The cubic root of 1329143880 is about 1099.4884343046.

The spelling of 1329143880 in words is "one billion, three hundred twenty-nine million, one hundred forty-three thousand, eight hundred eighty".