133032666 has 32 divisors (see below), whose sum is σ = 286993728. Its totient is φ = 40867200.

The previous prime is 133032619. The next prime is 133032671. The reversal of 133032666 is 666230331.

133032666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72966 + ... + 74766.

It is an arithmetic number, because the mean of its divisors is an integer number (8968554).

Almost surely, 2^133032666 is an apocalyptic number.

133032666 is an abundant number, since it is smaller than the sum of its proper divisors (153961062).

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

133032666 is a wasteful number, since it uses less digits than its factorization.

133032666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 133032666 is about 11533.9787584337. The cubic root of 133032666 is about 510.4886588984.

Adding to 133032666 its reverse (666230331), we get a palindrome (799262997).

The spelling of 133032666 in words is "one hundred thirty-three million, thirty-two thousand, six hundred sixty-six".