194559713 has 12 divisors (see below), whose sum is σ = 207761220. Its totient is φ = 182194848.

The previous prime is 194559709. The next prime is 194559731. The reversal of 194559713 is 317955491.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 107081104 + 87478609 = 10348^2 + 9353^2 .

It is not a de Polignac number, because 194559713 - 2² = 194559709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194559733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977588 + ... + 977786.

It is an arithmetic number, because the mean of its divisors is an integer number (17313435).

Almost surely, 2^194559713 is an apocalyptic number.

It is an amenable number.

194559713 is a deficient number, since it is larger than the sum of its proper divisors (13201507).

194559713 is an frugal number, since it uses more digits than its factorization.

194559713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 216 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 194559713 is about 13948.4663314645. The cubic root of 194559713 is about 579.4522305539.

The spelling of 194559713 in words is "one hundred ninety-four million, five hundred fifty-nine thousand, seven hundred thirteen".