195142267 has 2 divisors, whose sum is σ = 195142268. Its totient is φ = 195142266.

The previous prime is 195142253. The next prime is 195142289. The reversal of 195142267 is 762241591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195142267 - 2¹¹ = 195140219 is a prime.

It is not a weakly prime, because it can be changed into another prime (195146267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97571133 + 97571134.

It is an arithmetic number, because the mean of its divisors is an integer number (97571134).

Almost surely, 2^195142267 is an apocalyptic number.

195142267 is a deficient number, since it is larger than the sum of its proper divisors (1).

195142267 is an equidigital number, since it uses as much as digits as its factorization.

195142267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 195142267 is about 13969.3330907384. Note that the first 3 decimals coincide. The cubic root of 195142267 is about 580.0299895314.

The spelling of 195142267 in words is "one hundred ninety-five million, one hundred forty-two thousand, two hundred sixty-seven".