208268141 has 2 divisors, whose sum is σ = 208268142. Its totient is φ = 208268140.

The previous prime is 208268131. The next prime is 208268143. The reversal of 208268141 is 141862802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141372100 + 66896041 = 11890^2 + 8179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208268141 is a prime.

Together with 208268143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 208268098 and 208268107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208268143) 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, 104134070 + 104134071.

It is an arithmetic number, because the mean of its divisors is an integer number (104134071).

Almost surely, 2^208268141 is an apocalyptic number.

It is an amenable number.

208268141 is a deficient number, since it is larger than the sum of its proper divisors (1).

208268141 is an equidigital number, since it uses as much as digits as its factorization.

208268141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 208268141 is about 14431.4982243702. The cubic root of 208268141 is about 592.7537090509.

The spelling of 208268141 in words is "two hundred eight million, two hundred sixty-eight thousand, one hundred forty-one".