199292141 has 2 divisors, whose sum is σ = 199292142. Its totient is φ = 199292140.

The previous prime is 199292131. The next prime is 199292179. The reversal of 199292141 is 141292991.

It is an a-pointer prime, because the next prime (199292179) can be obtained adding 199292141 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119814916 + 79477225 = 10946^2 + 8915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199292141 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 199292095 and 199292104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199292131) by changing a digit.

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 as a sum of consecutive naturals, namely, 99646070 + 99646071.

It is an arithmetic number, because the mean of its divisors is an integer number (99646071).

Almost surely, 2^199292141 is an apocalyptic number.

It is an amenable number.

199292141 is a deficient number, since it is larger than the sum of its proper divisors (1).

199292141 is an equidigital number, since it uses as much as digits as its factorization.

199292141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 38.

The square root of 199292141 is about 14117.0868453800. The cubic root of 199292141 is about 584.1128013248.

The spelling of 199292141 in words is "one hundred ninety-nine million, two hundred ninety-two thousand, one hundred forty-one".