128134086 has 8 divisors (see below), whose sum is σ = 256268184. Its totient is φ = 42711360.

The previous prime is 128134073. The next prime is 128134087. The reversal of 128134086 is 680431821.

It is a sphenic number, since it is the product of 3 distinct primes.

128134086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128134087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10677835 + ... + 10677846.

It is an arithmetic number, because the mean of its divisors is an integer number (32033523).

Almost surely, 2^128134086 is an apocalyptic number.

128134086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128134086 is a wasteful number, since it uses less digits than its factorization.

128134086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355686.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 128134086 is about 11319.6327678949. The cubic root of 128134086 is about 504.1443353935.

The spelling of 128134086 in words is "one hundred twenty-eight million, one hundred thirty-four thousand, eighty-six".