133302132 has 48 divisors (see below), whose sum is σ = 346691520. Its totient is φ = 44293536.

The previous prime is 133302101. The next prime is 133302149. The reversal of 133302132 is 231203331.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 35698 + ... + 39254.

It is an arithmetic number, because the mean of its divisors is an integer number (7222740).

Almost surely, 2^133302132 is an apocalyptic number.

133302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133302132 is an abundant number, since it is smaller than the sum of its proper divisors (213389388).

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

133302132 is a wasteful number, since it uses less digits than its factorization.

133302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133302132 is about 11545.6542473781. The cubic root of 133302132 is about 510.8331020268.

Adding to 133302132 its reverse (231203331), we get a palindrome (364505463).

The spelling of 133302132 in words is "one hundred thirty-three million, three hundred two thousand, one hundred thirty-two".