194913 has 8 divisors (see below), whose sum is σ = 288800. Its totient is φ = 129924.

The previous prime is 194911. The next prime is 194917. The reversal of 194913 is 319491.

It is not a de Polignac number, because 194913 - 2¹ = 194911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7219 = 194913 / (1 + 9 + 4 + 9 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3583 + ... + 3636.

It is an arithmetic number, because the mean of its divisors is an integer number (36100).

2¹⁹⁴⁹¹³ is an apocalyptic number.

It is an amenable number.

194913 is a deficient number, since it is larger than the sum of its proper divisors (93887).

194913 is an equidigital number, since it uses as much as digits as its factorization.

194913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228 (or 7222 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 194913 is about 441.4895242245. The cubic root of 194913 is about 57.9802747034.

The spelling of 194913 in words is "one hundred ninety-four thousand, nine hundred thirteen".