213194 has 16 divisors (see below), whose sum is σ = 341088. Its totient is φ = 99792.

The previous prime is 213193. The next prime is 213203. The reversal of 213194 is 491312.

213194 is nontrivially palindromic in base 13.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213194.

It is not an unprimeable number, because it can be changed into a prime (213193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (21318).

2²¹³¹⁹⁴ is an apocalyptic number.

213194 is a deficient number, since it is larger than the sum of its proper divisors (127894).

213194 is a wasteful number, since it uses less digits than its factorization.

213194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its digits is 216, while the sum is 20.

The square root of 213194 is about 461.7293579577. The cubic root of 213194 is about 59.7390519322.

The spelling of 213194 in words is "two hundred thirteen thousand, one hundred ninety-four".