194147 has 4 divisors (see below), whose sum is σ = 195600. Its totient is φ = 192696.

The previous prime is 194141. The next prime is 194149. The reversal of 194147 is 741491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 194147 - 2⁶ = 194083 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194147.

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 3 ways as a sum of consecutive naturals, for example, 503 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (48900).

2¹⁹⁴¹⁴⁷ is an apocalyptic number.

194147 is a deficient number, since it is larger than the sum of its proper divisors (1453).

194147 is a wasteful number, since it uses less digits than its factorization.

194147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 1008, while the sum is 26.

The square root of 194147 is about 440.6211524655. The cubic root of 194147 is about 57.9042216300.

The spelling of 194147 in words is "one hundred ninety-four thousand, one hundred forty-seven".