194013 has 6 divisors (see below), whose sum is σ = 280254. Its totient is φ = 129336.

The previous prime is 194003. The next prime is 194017. The reversal of 194013 is 310491.

It can be written as a sum of positive squares in only one way, i.e., 127449 + 66564 = 357^2 + 258^2 .

It is not a de Polignac number, because 194013 - 2⁸ = 193757 is a prime.

194013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10770 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (46709).

2¹⁹⁴⁰¹³ is an apocalyptic number.

It is an amenable number.

194013 is a deficient number, since it is larger than the sum of its proper divisors (86241).

194013 is a wasteful number, since it uses less digits than its factorization.

194013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21563 (or 21560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 194013 is about 440.4690681535. The cubic root of 194013 is about 57.8908967585.

It can be divided in two parts, 1940 and 13, that added together give a triangular number (1953 = T₆₂).

The spelling of 194013 in words is "one hundred ninety-four thousand, thirteen".