199273141 has 2 divisors, whose sum is σ = 199273142. Its totient is φ = 199273140.

The previous prime is 199273097. The next prime is 199273147. The reversal of 199273141 is 141372991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127803025 + 71470116 = 11305^2 + 8454^2 .

It is an emirp because it is prime and its reverse (141372991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199273141 - 2⁷ = 199273013 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199273141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199273147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99636570 + 99636571.

It is an arithmetic number, because the mean of its divisors is an integer number (99636571).

Almost surely, 2^199273141 is an apocalyptic number.

It is an amenable number.

199273141 is a deficient number, since it is larger than the sum of its proper divisors (1).

199273141 is an equidigital number, since it uses as much as digits as its factorization.

199273141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 199273141 is about 14116.4138859698. The cubic root of 199273141 is about 584.0942381309.

The spelling of 199273141 in words is "one hundred ninety-nine million, two hundred seventy-three thousand, one hundred forty-one".