1329138412060 has 24 divisors (see below), whose sum is σ = 2791334936880. Its totient is φ = 531627884544.

The previous prime is 1329138412039. The next prime is 1329138412061. The reversal of 1329138412060 is 602148319231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329138412061) 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, 1318650 + ... + 2096929.

It is an arithmetic number, because the mean of its divisors is an integer number (116305622370).

Almost surely, 2^{1329138412060} is an apocalyptic number.

1329138412060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1329138412060 is an abundant number, since it is smaller than the sum of its proper divisors (1462196524820).

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

1329138412060 is a wasteful number, since it uses less digits than its factorization.

1329138412060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435045 (or 3435043 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 1329138412060 in words is "one trillion, three hundred twenty-nine billion, one hundred thirty-eight million, four hundred twelve thousand, sixty".