194691742 has 8 divisors (see below), whose sum is σ = 333757296. Its totient is φ = 83439312.

The previous prime is 194691713. The next prime is 194691779. The reversal of 194691742 is 247196491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6953263 + ... + 6953290.

It is an arithmetic number, because the mean of its divisors is an integer number (41719662).

Almost surely, 2^194691742 is an apocalyptic number.

194691742 is a deficient number, since it is larger than the sum of its proper divisors (139065554).

194691742 is a wasteful number, since it uses less digits than its factorization.

194691742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13906562.

The product of its digits is 108864, while the sum is 43.

The square root of 194691742 is about 13953.1982713642. The cubic root of 194691742 is about 579.5832737839.

The spelling of 194691742 in words is "one hundred ninety-four million, six hundred ninety-one thousand, seven hundred forty-two".