133512032 has 24 divisors (see below), whose sum is σ = 265315176. Its totient is φ = 66130432.

The previous prime is 133512023. The next prime is 133512037. The reversal of 133512032 is 230215331.

It is a junction number, because it is equal to n+sod(n) for n = 133511995 and 133512013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133512037) 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, 16073 + ... + 22920.

It is an arithmetic number, because the mean of its divisors is an integer number (11054799).

Almost surely, 2^133512032 is an apocalyptic number.

It is an amenable number.

133512032 is a deficient number, since it is larger than the sum of its proper divisors (131803144).

133512032 is a wasteful number, since it uses less digits than its factorization.

133512032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39110 (or 39102 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133512032 is about 11554.7406721224. The cubic root of 133512032 is about 511.1010838332.

Adding to 133512032 its reverse (230215331), we get a palindrome (363727363).

The spelling of 133512032 in words is "one hundred thirty-three million, five hundred twelve thousand, thirty-two".