141699917 has 2 divisors, whose sum is σ = 141699918. Its totient is φ = 141699916.

The previous prime is 141699911. The next prime is 141699953. The reversal of 141699917 is 719996141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127667401 + 14032516 = 11299^2 + 3746^2 .

It is an emirp because it is prime and its reverse (719996141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141699917 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 (141699911) 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, 70849958 + 70849959.

It is an arithmetic number, because the mean of its divisors is an integer number (70849959).

Almost surely, 2^141699917 is an apocalyptic number.

It is an amenable number.

141699917 is a deficient number, since it is larger than the sum of its proper divisors (1).

141699917 is an equidigital number, since it uses as much as digits as its factorization.

141699917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 47.

The square root of 141699917 is about 11903.7774256746. Note that the first 3 decimals coincide. The cubic root of 141699917 is about 521.3425821476.

The spelling of 141699917 in words is "one hundred forty-one million, six hundred ninety-nine thousand, nine hundred seventeen".