133020032 has 32 divisors (see below), whose sum is σ = 272172720. Its totient is φ = 64710144.

The previous prime is 133020001. The next prime is 133020037. The reversal of 133020032 is 230020331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 133019989 and 133020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133020037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9308 + ... + 18779.

Almost surely, 2^133020032 is an apocalyptic number.

It is an amenable number.

133020032 is an abundant number, since it is smaller than the sum of its proper divisors (139152688).

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

133020032 is an equidigital number, since it uses as much as digits as its factorization.

133020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28138 (or 28126 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 133020032 is about 11533.4310593162. The cubic root of 133020032 is about 510.4724981611.

Adding to 133020032 its reverse (230020331), we get a palindrome (363040363).

The spelling of 133020032 in words is "one hundred thirty-three million, twenty thousand, thirty-two".