133124032 has 56 divisors (see below), whose sum is σ = 281635200. Its totient is φ = 62251776.

The previous prime is 133124027. The next prime is 133124071. The reversal of 133124032 is 230421331.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 100269 + ... + 101587.

It is an arithmetic number, because the mean of its divisors is an integer number (5029200).

Almost surely, 2^133124032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133124032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140817600).

133124032 is an abundant number, since it is smaller than the sum of its proper divisors (148511168).

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

133124032 is a wasteful number, since it uses less digits than its factorization.

133124032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1423 counting only the distinct ones).

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

The square root of 133124032 is about 11537.9388107235. The cubic root of 133124032 is about 510.6054989564.

Adding to 133124032 its reverse (230421331), we get a palindrome (363545363).

The spelling of 133124032 in words is "one hundred thirty-three million, one hundred twenty-four thousand, thirty-two".