142422260513209 has 2 divisors, whose sum is σ = 142422260513210. Its totient is φ = 142422260513208.

The previous prime is 142422260513149. The next prime is 142422260513227. The reversal of 142422260513209 is 902315062224241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141714858404025 + 707402109184 = 11904405^2 + 841072^2 .

It is a cyclic number.

It is not a de Polignac number, because 142422260513209 - 2²⁷ = 142422126295481 is a prime.

It is not a weakly prime, because it can be changed into another prime (142422260513279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71211130256604 + 71211130256605.

It is an arithmetic number, because the mean of its divisors is an integer number (71211130256605).

Almost surely, 2^{142422260513209} is an apocalyptic number.

It is an amenable number.

142422260513209 is a deficient number, since it is larger than the sum of its proper divisors (1).

142422260513209 is an equidigital number, since it uses as much as digits as its factorization.

142422260513209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 142422260513209 in words is "one hundred forty-two trillion, four hundred twenty-two billion, two hundred sixty million, five hundred thirteen thousand, two hundred nine".