133361328 has 40 divisors (see below), whose sum is σ = 364784688. Its totient is φ = 41838592.

The previous prime is 133361297. The next prime is 133361341. The reversal of 133361328 is 823163331.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133361295 and 133361304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80901 + ... + 82532.

Almost surely, 2^133361328 is an apocalyptic number.

It is an amenable number.

133361328 is an abundant number, since it is smaller than the sum of its proper divisors (231423360).

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

133361328 is a wasteful number, since it uses less digits than its factorization.

133361328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163461 (or 163455 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 133361328 is about 11548.2175247958. The cubic root of 133361328 is about 510.9087067222.

The spelling of 133361328 in words is "one hundred thirty-three million, three hundred sixty-one thousand, three hundred twenty-eight".