142013039209 has 2 divisors, whose sum is σ = 142013039210. Its totient is φ = 142013039208.

The previous prime is 142013039159. The next prime is 142013039219. The reversal of 142013039209 is 902930310241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111248931600 + 30764107609 = 333540^2 + 175397^2 .

It is a cyclic number.

It is not a de Polignac number, because 142013039209 - 2⁹ = 142013038697 is a prime.

It is not a weakly prime, because it can be changed into another prime (142013039219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71006519604 + 71006519605.

It is an arithmetic number, because the mean of its divisors is an integer number (71006519605).

Almost surely, 2^142013039209 is an apocalyptic number.

It is an amenable number.

142013039209 is a deficient number, since it is larger than the sum of its proper divisors (1).

142013039209 is an equidigital number, since it uses as much as digits as its factorization.

142013039209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 142013039209 in words is "one hundred forty-two billion, thirteen million, thirty-nine thousand, two hundred nine".