133394558800 has 30 divisors (see below), whose sum is σ = 320480428478. Its totient is φ = 53357823360.

The previous prime is 133394558741. The next prime is 133394558819. The reversal of 133394558800 is 8855493331.

It can be written as a sum of positive squares in 3 ways, for example, as 14637128256 + 118757430544 = 120984^2 + 344612^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166742799 + ... + 166743598.

Almost surely, 2^133394558800 is an apocalyptic number.

133394558800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133394558800 is an abundant number, since it is smaller than the sum of its proper divisors (187085869678).

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

133394558800 is a wasteful number, since it uses less digits than its factorization.

133394558800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333486415 (or 333486404 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 133394558800 in words is "one hundred thirty-three billion, three hundred ninety-four million, five hundred fifty-eight thousand, eight hundred".