133142132 has 48 divisors (see below), whose sum is σ = 251784960. Its totient is φ = 61471872.

The previous prime is 133142081. The next prime is 133142143. The reversal of 133142132 is 231241331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287333 + ... + 287795.

It is an arithmetic number, because the mean of its divisors is an integer number (5245520).

Almost surely, 2^133142132 is an apocalyptic number.

It is an amenable number.

133142132 is a deficient number, since it is larger than the sum of its proper divisors (118642828).

133142132 is a wasteful number, since it uses less digits than its factorization.

133142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 133142132 is about 11538.7231529316. The cubic root of 133142132 is about 510.6286391327.

Adding to 133142132 its reverse (231241331), we get a palindrome (364383463).

The spelling of 133142132 in words is "one hundred thirty-three million, one hundred forty-two thousand, one hundred thirty-two".