128393358 has 16 divisors (see below), whose sum is σ = 259673040. Its totient is φ = 42316736.

The previous prime is 128393357. The next prime is 128393387. The reversal of 128393358 is 853393821.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128393357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119685 + ... + 120752.

It is an arithmetic number, because the mean of its divisors is an integer number (16229565).

Almost surely, 2^128393358 is an apocalyptic number.

128393358 is an abundant number, since it is smaller than the sum of its proper divisors (131279682).

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

128393358 is a wasteful number, since it uses less digits than its factorization.

128393358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240531.

The product of its digits is 155520, while the sum is 42.

The square root of 128393358 is about 11331.0792954599. The cubic root of 128393358 is about 504.4841420534.

The spelling of 128393358 in words is "one hundred twenty-eight million, three hundred ninety-three thousand, three hundred fifty-eight".