194140 has 24 divisors (see below), whose sum is σ = 432432. Its totient is φ = 72960.

The previous prime is 194119. The next prime is 194141. The reversal of 194140 is 41491.

194140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹⁹⁴¹⁴⁰ is an apocalyptic number.

194140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216216).

194140 is an abundant number, since it is smaller than the sum of its proper divisors (238292).

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

194140 is a wasteful number, since it uses less digits than its factorization.

194140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 194140 is about 440.6132090621. The cubic root of 194140 is about 57.9035257065.

The spelling of 194140 in words is "one hundred ninety-four thousand, one hundred forty".