133312132 has 24 divisors (see below), whose sum is σ = 246032640. Its totient is φ = 63030240.

The previous prime is 133312129. The next prime is 133312133. The reversal of 133312132 is 231213331.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (133312133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50157 + ... + 52747.

It is an arithmetic number, because the mean of its divisors is an integer number (10251360).

Almost surely, 2^133312132 is an apocalyptic number.

It is an amenable number.

133312132 is a deficient number, since it is larger than the sum of its proper divisors (112720508).

133312132 is a wasteful number, since it uses less digits than its factorization.

133312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3289 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 133312132 is about 11546.0873026320. The cubic root of 133312132 is about 510.8458755242.

Adding to 133312132 its reverse (231213331), we get a palindrome (364525463).

The spelling of 133312132 in words is "one hundred thirty-three million, three hundred twelve thousand, one hundred thirty-two".