128268382 has 8 divisors (see below), whose sum is σ = 209893752. Its totient is φ = 58303800.

The previous prime is 128268367. The next prime is 128268389. The reversal of 128268382 is 283862821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128268389) 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, 2915169 + ... + 2915212.

It is an arithmetic number, because the mean of its divisors is an integer number (26236719).

Almost surely, 2^128268382 is an apocalyptic number.

128268382 is a deficient number, since it is larger than the sum of its proper divisors (81625370).

128268382 is a wasteful number, since it uses less digits than its factorization.

128268382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830394.

The product of its digits is 73728, while the sum is 40.

The square root of 128268382 is about 11325.5632089535. The cubic root of 128268382 is about 504.3204033706.

The spelling of 128268382 in words is "one hundred twenty-eight million, two hundred sixty-eight thousand, three hundred eighty-two".