194128 has 20 divisors (see below), whose sum is σ = 410688. Its totient is φ = 88160.

The previous prime is 194119. The next prime is 194141. The reversal of 194128 is 821491.

It is a happy number.

194128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

194128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376 + ... + 727.

2¹⁹⁴¹²⁸ is an apocalyptic number.

It is an amenable number.

194128 is an abundant number, since it is smaller than the sum of its proper divisors (216560).

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

194128 is a wasteful number, since it uses less digits than its factorization.

194128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1116 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 194128 is about 440.5995914660. The cubic root of 194128 is about 57.9023326557.

The spelling of 194128 in words is "one hundred ninety-four thousand, one hundred twenty-eight".