133330680 has 192 divisors, whose sum is σ = 499861440. Its totient is φ = 30191616.

The previous prime is 133330679. The next prime is 133330697. The reversal of 133330680 is 86033331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395472 + ... + 395808.

It is an arithmetic number, because the mean of its divisors is an integer number (2603445).

Almost surely, 2^133330680 is an apocalyptic number.

133330680 is a gapful number since it is divisible by the number (10) 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 133330680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249930720).

133330680 is an abundant number, since it is smaller than the sum of its proper divisors (366530760).

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

133330680 is a wasteful number, since it uses less digits than its factorization.

133330680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133330680 is about 11546.8904905173. The cubic root of 133330680 is about 510.8695661160.

The spelling of 133330680 in words is "one hundred thirty-three million, three hundred thirty thousand, six hundred eighty".