133030332 has 36 divisors (see below), whose sum is σ = 339609816. Its totient is φ = 43903200.

The previous prime is 133030327. The next prime is 133030361. The reversal of 133030332 is 233030331.

133030332 is a `hidden beast` number, since 1 + 330 + 3 + 0 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 14658 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (9433606).

Almost surely, 2^133030332 is an apocalyptic number.

133030332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133030332 is an abundant number, since it is smaller than the sum of its proper divisors (206579484).

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

133030332 is a wasteful number, since it uses less digits than its factorization.

133030332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36698 (or 36693 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 133030332 is about 11533.8775786810. The cubic root of 133030332 is about 510.4856734474.

Adding to 133030332 its reverse (233030331), we get a palindrome (366060663).

Subtracting 133030332 from its reverse (233030331), we obtain a palindrome (99999999).

The spelling of 133030332 in words is "one hundred thirty-three million, thirty thousand, three hundred thirty-two".