133894906880 has 176 divisors, whose sum is σ = 374571523200. Its totient is φ = 45906223104.

The previous prime is 133894906877. The next prime is 133894906891. The reversal of 133894906880 is 88609498331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718039 + ... + 1794281.

Almost surely, 2^133894906880 is an apocalyptic number.

133894906880 is a gapful number since it is divisible by the number (10) 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 133894906880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187285761600).

133894906880 is an abundant number, since it is smaller than the sum of its proper divisors (240676616320).

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

133894906880 is an frugal number, since it uses more digits than its factorization.

133894906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76289 (or 76257 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 133894906880 in words is "one hundred thirty-three billion, eight hundred ninety-four million, nine hundred six thousand, eight hundred eighty".