133211132 has 24 divisors (see below), whose sum is σ = 239915760. Its totient is φ = 64679040.

The previous prime is 133211093. The next prime is 133211153. The reversal of 133211132 is 231112331.

It is a self number, because there is not a number n which added to its sum of digits gives 133211132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35783 + ... + 39329.

It is an arithmetic number, because the mean of its divisors is an integer number (9996490).

Almost surely, 2^133211132 is an apocalyptic number.

It is an amenable number.

133211132 is a deficient number, since it is larger than the sum of its proper divisors (106704628).

133211132 is a wasteful number, since it uses less digits than its factorization.

133211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821 (or 3819 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 133211132 is about 11541.7126978625. The cubic root of 133211132 is about 510.7168338332.

Adding to 133211132 its reverse (231112331), we get a palindrome (364323463).

The spelling of 133211132 in words is "one hundred thirty-three million, two hundred eleven thousand, one hundred thirty-two".