133140032 has 28 divisors (see below), whose sum is σ = 264566400. Its totient is φ = 66477696.

The previous prime is 133140019. The next prime is 133140037. The reversal of 133140032 is 230041331.

It is a happy number.

133140032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133140032² = 35452536241922048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133140037) 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, 88793 + ... + 90279.

It is an arithmetic number, because the mean of its divisors is an integer number (9448800).

Almost surely, 2^133140032 is an apocalyptic number.

It is an amenable number.

133140032 is a deficient number, since it is larger than the sum of its proper divisors (131426368).

133140032 is a wasteful number, since it uses less digits than its factorization.

133140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133140032 is about 11538.6321546360. The cubic root of 133140032 is about 510.6259544684.

Adding to 133140032 its reverse (230041331), we get a palindrome (363181363).

The spelling of 133140032 in words is "one hundred thirty-three million, one hundred forty thousand, thirty-two".