1329897390336 has 108 divisors (see below), whose sum is σ = 3835591247488. Its totient is φ = 443163958272.

The previous prime is 1329897390331. The next prime is 1329897390359. The reversal of 1329897390336 is 6330937989231.

1329897390336 is a `hidden beast` number, since 1 + 3 + 298 + 9 + 7 + 3 + 9 + 0 + 336 = 666.

It is not an unprimeable number, because it can be changed into a prime (1329897390331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7615941 + ... + 7788603.

Almost surely, 2^{1329897390336} is an apocalyptic number.

1329897390336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329897390336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917795623744).

1329897390336 is an abundant number, since it is smaller than the sum of its proper divisors (2505693857152).

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

1329897390336 is a wasteful number, since it uses less digits than its factorization.

1329897390336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176028 (or 176011 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 1329897390336 in words is "one trillion, three hundred twenty-nine billion, eight hundred ninety-seven million, three hundred ninety thousand, three hundred thirty-six".