133383128 has 16 divisors (see below), whose sum is σ = 250452000. Its totient is φ = 66595936.

The previous prime is 133383101. The next prime is 133383163. The reversal of 133383128 is 821383331.

It is a junction number, because it is equal to n+sod(n) for n = 133383094 and 133383103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (15653250).

Almost surely, 2^133383128 is an apocalyptic number.

It is an amenable number.

133383128 is a deficient number, since it is larger than the sum of its proper divisors (117068872).

133383128 is a wasteful number, since it uses less digits than its factorization.

133383128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23914 (or 23910 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 133383128 is about 11549.1613548344. The cubic root of 133383128 is about 510.9365438850.

The spelling of 133383128 in words is "one hundred thirty-three million, three hundred eighty-three thousand, one hundred twenty-eight".