33135132 has 24 divisors (see below), whose sum is σ = 78406272. Its totient is φ = 10889200.

The previous prime is 33135121. The next prime is 33135133. The reversal of 33135132 is 23153133.

It is a junction number, because it is equal to n+sod(n) for n = 33135099 and 33135108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33135133) 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, 18594 + ... + 20297.

It is an arithmetic number, because the mean of its divisors is an integer number (3266928).

Almost surely, 2^33135132 is an apocalyptic number.

It is an amenable number.

33135132 is an abundant number, since it is smaller than the sum of its proper divisors (45271140).

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

33135132 is a wasteful number, since it uses less digits than its factorization.

33135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38969 (or 38967 counting only the distinct ones).

The product of its digits is 810, while the sum is 21.

The square root of 33135132 is about 5756.3123612257. The cubic root of 33135132 is about 321.1906554624.

Adding to 33135132 its reverse (23153133), we get a palindrome (56288265).

The spelling of 33135132 in words is "thirty-three million, one hundred thirty-five thousand, one hundred thirty-two".