194334290105 has 8 divisors (see below), whose sum is σ = 233392775112. Its totient is φ = 155339680768.

The previous prime is 194334290083. The next prime is 194334290113. The reversal of 194334290105 is 501092433491.

It can be written as a sum of positive squares in 4 ways, for example, as 217385536 + 194116904569 = 14744^2 + 440587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194334290105 - 2²⁴ = 194317512889 is a prime.

It is a super-2 number, since 2×194334290105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15962222 + ... + 15974391.

It is an arithmetic number, because the mean of its divisors is an integer number (29174096889).

Almost surely, 2^194334290105 is an apocalyptic number.

It is an amenable number.

194334290105 is a deficient number, since it is larger than the sum of its proper divisors (39058485007).

194334290105 is a wasteful number, since it uses less digits than its factorization.

194334290105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31937835.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 194334290105 in words is "one hundred ninety-four billion, three hundred thirty-four million, two hundred ninety thousand, one hundred five".