133332332 has 30 divisors (see below), whose sum is σ = 272223588. Its totient is φ = 57138312.

The previous prime is 133332323. The next prime is 133332359. The reversal of 133332332 is 233233331.

It is a junction number, because it is equal to n+sod(n) for n = 133332298 and 133332307.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2663 + ... + 16545.

Almost surely, 2^133332332 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 133332332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136111794).

133332332 is an abundant number, since it is smaller than the sum of its proper divisors (138891256).

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

133332332 is an equidigital number, since it uses as much as digits as its factorization.

133332332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915 (or 13892 counting only the distinct ones).

The product of its digits is 2916, while the sum is 23.

The square root of 133332332 is about 11546.9620247059. The cubic root of 133332332 is about 510.8716760405.

Adding to 133332332 its reverse (233233331), we get a palindrome (366565663).

Subtracting 133332332 from its reverse (233233331), we obtain a palindrome (99900999).

The spelling of 133332332 in words is "one hundred thirty-three million, three hundred thirty-two thousand, three hundred thirty-two".