1329789116 has 24 divisors (see below), whose sum is σ = 2338770000. Its totient is φ = 661578624.

The previous prime is 1329789089. The next prime is 1329789127. The reversal of 1329789116 is 6119879231.

It is a super-2 number, since 2×1329789116² = 3536678186064122912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031000 + ... + 1032288.

It is an arithmetic number, because the mean of its divisors is an integer number (97448750).

Almost surely, 2^1329789116 is an apocalyptic number.

It is an amenable number.

1329789116 is a deficient number, since it is larger than the sum of its proper divisors (1008980884).

1329789116 is a wasteful number, since it uses less digits than its factorization.

1329789116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2379 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 1329789116 is about 36466.2736785650. The cubic root of 1329789116 is about 1099.6663219316. Note that the first 3 decimals are identical.

The spelling of 1329789116 in words is "one billion, three hundred twenty-nine million, seven hundred eighty-nine thousand, one hundred sixteen".