133120332 has 18 divisors (see below), whose sum is σ = 336498708. Its totient is φ = 44373432.

The previous prime is 133120321. The next prime is 133120333. The reversal of 133120332 is 233021331.

133120332 is a `hidden beast` number, since 1 + 331 + 2 + 0 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (133120333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1848858 + ... + 1848929.

Almost surely, 2^133120332 is an apocalyptic number.

133120332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133120332 is an abundant number, since it is smaller than the sum of its proper divisors (203378376).

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

133120332 is a wasteful number, since it uses less digits than its factorization.

133120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697797 (or 3697792 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133120332 is about 11537.7784690121. The cubic root of 133120332 is about 510.6007683859.

Adding to 133120332 its reverse (233021331), we get a palindrome (366141663).

Subtracting 133120332 from its reverse (233021331), we obtain a palindrome (99900999).

The spelling of 133120332 in words is "one hundred thirty-three million, one hundred twenty thousand, three hundred thirty-two".