141709 has 2 divisors, whose sum is σ = 141710. Its totient is φ = 141708.
The previous prime is 141707. The next prime is 141719. The reversal of 141709 is 907141.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 103684 + 38025 = 322^2 + 195^2 .
It is an emirp because it is prime and its reverse (907141) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 141709 - 21 = 141707 is a prime.
Together with 141707, it forms a pair of twin primes.
It is a Chen prime.
141709 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 141709.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (141707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70854 + 70855.
It is an arithmetic number, because the mean of its divisors is an integer number (70855).
2141709 is an apocalyptic number.
It is an amenable number.
141709 is a deficient number, since it is larger than the sum of its proper divisors (1).
141709 is an equidigital number, since it uses as much as digits as its factorization.
141709 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 141709 is about 376.4425586992. The cubic root of 141709 is about 52.1353721306.
The spelling of 141709 in words is "one hundred forty-one thousand, seven hundred nine".
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