14142100309 has 2 divisors, whose sum is σ = 14142100310. Its totient is φ = 14142100308.

The previous prime is 14142100261. The next prime is 14142100337. The reversal of 14142100309 is 90300124141.

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., 11083457284 + 3058643025 = 105278^2 + 55305^2 .

It is a cyclic number.

It is not a de Polignac number, because 14142100309 - 2¹³ = 14142092117 is a prime.

It is a super-2 number, since 2×14142100309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14142100909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071050154 + 7071050155.

It is an arithmetic number, because the mean of its divisors is an integer number (7071050155).

Almost surely, 2^14142100309 is an apocalyptic number.

It is an amenable number.

14142100309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14142100309 is an equidigital number, since it uses as much as digits as its factorization.

14142100309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 14142100309 in words is "fourteen billion, one hundred forty-two million, one hundred thousand, three hundred nine".