194217113 has 4 divisors (see below), whose sum is σ = 198349440. Its totient is φ = 190084788.

The previous prime is 194217097. The next prime is 194217119. The reversal of 194217113 is 311712491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 194217113 - 2⁴ = 194217097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194217119) 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 3 ways as a sum of consecutive naturals, for example, 2066093 + ... + 2066186.

It is an arithmetic number, because the mean of its divisors is an integer number (49587360).

Almost surely, 2^194217113 is an apocalyptic number.

It is an amenable number.

194217113 is a deficient number, since it is larger than the sum of its proper divisors (4132327).

194217113 is an equidigital number, since it uses as much as digits as its factorization.

194217113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132326.

The product of its digits is 1512, while the sum is 29.

The square root of 194217113 is about 13936.1800002727. The cubic root of 194217113 is about 579.1119117729. Note that the first 3 decimals are identical.

The spelling of 194217113 in words is "one hundred ninety-four million, two hundred seventeen thousand, one hundred thirteen".