128133086 has 16 divisors (see below), whose sum is σ = 194685984. Its totient is φ = 63243264.

The previous prime is 128133059. The next prime is 128133091. The reversal of 128133086 is 680331821.

It is a happy number.

It is a super-3 number, since 3×128133086³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 51671 + ... + 54093.

It is an arithmetic number, because the mean of its divisors is an integer number (12167874).

Almost surely, 2^128133086 is an apocalyptic number.

128133086 is a deficient number, since it is larger than the sum of its proper divisors (66552898).

128133086 is a wasteful number, since it uses less digits than its factorization.

128133086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 128133086 is about 11319.5885967645. The cubic root of 128133086 is about 504.1430238881.

The spelling of 128133086 in words is "one hundred twenty-eight million, one hundred thirty-three thousand, eighty-six".