141697709 has 2 divisors, whose sum is σ = 141697710. Its totient is φ = 141697708.

The previous prime is 141697667. The next prime is 141697723. The reversal of 141697709 is 907796141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84695209 + 57002500 = 9203^2 + 7550^2 .

It is a cyclic number.

It is not a de Polignac number, because 141697709 - 2¹² = 141693613 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141697709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141697739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70848854 + 70848855.

It is an arithmetic number, because the mean of its divisors is an integer number (70848855).

Almost surely, 2^141697709 is an apocalyptic number.

It is an amenable number.

141697709 is a deficient number, since it is larger than the sum of its proper divisors (1).

141697709 is an equidigital number, since it uses as much as digits as its factorization.

141697709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 141697709 is about 11903.6846816437. The cubic root of 141697709 is about 521.3398742410.

The spelling of 141697709 in words is "one hundred forty-one million, six hundred ninety-seven thousand, seven hundred nine".