199310149 has 2 divisors, whose sum is σ = 199310150. Its totient is φ = 199310148.

The previous prime is 199310101. The next prime is 199310161. The reversal of 199310149 is 941013991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 66945124 = 11505^2 + 8182^2 .

It is an emirp because it is prime and its reverse (941013991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199310149 - 2⁷ = 199310021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199310179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99655074 + 99655075.

It is an arithmetic number, because the mean of its divisors is an integer number (99655075).

Almost surely, 2^199310149 is an apocalyptic number.

It is an amenable number.

199310149 is a deficient number, since it is larger than the sum of its proper divisors (1).

199310149 is an equidigital number, since it uses as much as digits as its factorization.

199310149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 199310149 is about 14117.7246396153. The cubic root of 199310149 is about 584.1303942355.

The spelling of 199310149 in words is "one hundred ninety-nine million, three hundred ten thousand, one hundred forty-nine".