1329999982 has 16 divisors (see below), whose sum is σ = 2026074960. Its totient is φ = 654654528.

The previous prime is 1329999977. The next prime is 1330000013. The reversal of 1329999982 is 2899999231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1329999982.

It is a congruent number.

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, 363868 + ... + 367504.

It is an arithmetic number, because the mean of its divisors is an integer number (126629685).

Almost surely, 2^1329999982 is an apocalyptic number.

1329999982 is a deficient number, since it is larger than the sum of its proper divisors (696074978).

1329999982 is a wasteful number, since it uses less digits than its factorization.

1329999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435.

The product of its digits is 5668704, while the sum is 61.

The square root of 1329999982 is about 36469.1648108371. The cubic root of 1329999982 is about 1099.7244439251.

The spelling of 1329999982 in words is "one billion, three hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".