141135209 has 2 divisors, whose sum is σ = 141135210. Its totient is φ = 141135208.

The previous prime is 141135193. The next prime is 141135217. The reversal of 141135209 is 902531141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84584809 + 56550400 = 9197^2 + 7520^2 .

It is a cyclic number.

It is not a de Polignac number, because 141135209 - 2⁴ = 141135193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (141135229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70567604 + 70567605.

It is an arithmetic number, because the mean of its divisors is an integer number (70567605).

Almost surely, 2^141135209 is an apocalyptic number.

It is an amenable number.

141135209 is a deficient number, since it is larger than the sum of its proper divisors (1).

141135209 is an equidigital number, since it uses as much as digits as its factorization.

141135209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 141135209 is about 11880.0340487728. The cubic root of 141135209 is about 520.6491018819.

The spelling of 141135209 in words is "one hundred forty-one million, one hundred thirty-five thousand, two hundred nine".