133532218368 has 66 divisors (see below), whose sum is σ = 385571409314. Its totient is φ = 44510736384.

The previous prime is 133532218357. The next prime is 133532218373. The reversal of 133532218368 is 863812235331.

133532218368 is a `hidden beast` number, since 1 + 33 + 532 + 2 + 1 + 83 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131890996224 + 1641222144 = 363168^2 + 40512^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7235371 + ... + 7253802.

Almost surely, 2^133532218368 is an apocalyptic number.

133532218368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133532218368 is an abundant number, since it is smaller than the sum of its proper divisors (252039190946).

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

133532218368 is a wasteful number, since it uses less digits than its factorization.

133532218368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489199 (or 14489178 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 133532218368 in words is "one hundred thirty-three billion, five hundred thirty-two million, two hundred eighteen thousand, three hundred sixty-eight".