195916742 has 8 divisors (see below), whose sum is σ = 335857296. Its totient is φ = 83964312.

The previous prime is 195916723. The next prime is 195916751. The reversal of 195916742 is 247619591.

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

It is a junction number, because it is equal to n+sod(n) for n = 195916693 and 195916702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6997013 + ... + 6997040.

It is an arithmetic number, because the mean of its divisors is an integer number (41982162).

Almost surely, 2^195916742 is an apocalyptic number.

195916742 is a deficient number, since it is larger than the sum of its proper divisors (139940554).

195916742 is a wasteful number, since it uses less digits than its factorization.

195916742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994062.

The product of its digits is 136080, while the sum is 44.

The square root of 195916742 is about 13997.0261841578. The cubic root of 195916742 is about 580.7963120676.

The spelling of 195916742 in words is "one hundred ninety-five million, nine hundred sixteen thousand, seven hundred forty-two".