191334 has 32 divisors (see below), whose sum is σ = 451584. Its totient is φ = 53280.

The previous prime is 191299. The next prime is 191339. The reversal of 191334 is 433191.

It is a self number, because there is not a number n which added to its sum of digits gives 191334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191339) by changing a digit.

191334 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 747 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2¹⁹¹³³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225792).

191334 is an abundant number, since it is smaller than the sum of its proper divisors (260250).

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

191334 is a wasteful number, since it uses less digits than its factorization.

191334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 324, while the sum is 21.

The square root of 191334 is about 437.4174207779. The cubic root of 191334 is about 57.6232014941.

It can be divided in two parts, 191 and 334, that added together give a palindrome (525).

The spelling of 191334 in words is "one hundred ninety-one thousand, three hundred thirty-four".