128339853 has 8 divisors (see below), whose sum is σ = 171568128. Its totient is φ = 85335744.

The previous prime is 128339837. The next prime is 128339867. The reversal of 128339853 is 358933821.

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

It is not a de Polignac number, because 128339853 - 2⁴ = 128339837 is a prime.

It is a super-2 number, since 2×128339853² = 32942235736123218, which contains 22 as substring.

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 (128339803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54700 + ... + 56997.

It is an arithmetic number, because the mean of its divisors is an integer number (21446016).

Almost surely, 2^128339853 is an apocalyptic number.

It is an amenable number.

128339853 is a deficient number, since it is larger than the sum of its proper divisors (43228275).

128339853 is a wasteful number, since it uses less digits than its factorization.

128339853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112083.

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

The square root of 128339853 is about 11328.7180651652. The cubic root of 128339853 is about 504.4140549014.

The spelling of 128339853 in words is "one hundred twenty-eight million, three hundred thirty-nine thousand, eight hundred fifty-three".