133201232 has 40 divisors (see below), whose sum is σ = 264492000. Its totient is φ = 64963712.

The previous prime is 133201231. The next prime is 133201241. The reversal of 133201232 is 232102331.

It is a self number, because there is not a number n which added to its sum of digits gives 133201232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201231) 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, 140183 + ... + 141129.

It is an arithmetic number, because the mean of its divisors is an integer number (6612300).

Almost surely, 2^133201232 is an apocalyptic number.

It is an amenable number.

133201232 is a deficient number, since it is larger than the sum of its proper divisors (131290768).

133201232 is a wasteful number, since it uses less digits than its factorization.

133201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1157 counting only the distinct ones).

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

The square root of 133201232 is about 11541.2838107379. The cubic root of 133201232 is about 510.7041816826.

Adding to 133201232 its reverse (232102331), we get a palindrome (365303563).

The spelling of 133201232 in words is "one hundred thirty-three million, two hundred one thousand, two hundred thirty-two".