133210032 has 80 divisors (see below), whose sum is σ = 354834432. Its totient is φ = 43041280.

The previous prime is 133210019. The next prime is 133210067. The reversal of 133210032 is 230012331.

It is a junction number, because it is equal to n+sod(n) for n = 133209993 and 133210020.

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, 308857 + ... + 309287.

Almost surely, 2^133210032 is an apocalyptic number.

133210032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133210032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177417216).

133210032 is an abundant number, since it is smaller than the sum of its proper divisors (221624400).

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

133210032 is a wasteful number, since it uses less digits than its factorization.

133210032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133210032 is about 11541.6650445246. The cubic root of 133210032 is about 510.7154280696.

Adding to 133210032 its reverse (230012331), we get a palindrome (363222363).

The spelling of 133210032 in words is "one hundred thirty-three million, two hundred ten thousand, thirty-two".