1329133672808 has 64 divisors (see below), whose sum is σ = 2715417024000. Its totient is φ = 609279511680.

The previous prime is 1329133672807. The next prime is 1329133672813. The reversal of 1329133672808 is 8082763319231.

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 1329133672808.

It is not an unprimeable number, because it can be changed into a prime (1329133672807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310348 + ... + 2091716.

It is an arithmetic number, because the mean of its divisors is an integer number (42428391000).

Almost surely, 2^{1329133672808} is an apocalyptic number.

It is an amenable number.

1329133672808 is an abundant number, since it is smaller than the sum of its proper divisors (1386283351192).

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

1329133672808 is an equidigital number, since it uses as much as digits as its factorization.

1329133672808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781463 (or 781421 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 1329133672808 in words is "one trillion, three hundred twenty-nine billion, one hundred thirty-three million, six hundred seventy-two thousand, eight hundred eight".