133142032 has 20 divisors (see below), whose sum is σ = 269179200. Its totient is φ = 63676448.

The previous prime is 133142003. The next prime is 133142033. The reversal of 133142032 is 230241331.

It is not an unprimeable number, because it can be changed into a prime (133142033) 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, 180532 + ... + 181267.

It is an arithmetic number, because the mean of its divisors is an integer number (13458960).

Almost surely, 2^133142032 is an apocalyptic number.

It is an amenable number.

133142032 is an abundant number, since it is smaller than the sum of its proper divisors (136037168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133142032 is a wasteful number, since it uses less digits than its factorization.

133142032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361830 (or 361824 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133142032 is about 11538.7188196957. The cubic root of 133142032 is about 510.6285112921.

Adding to 133142032 its reverse (230241331), we get a palindrome (363383363).

The spelling of 133142032 in words is "one hundred thirty-three million, one hundred forty-two thousand, thirty-two".