142016276309 has 2 divisors, whose sum is σ = 142016276310. Its totient is φ = 142016276308.

The previous prime is 142016276239. The next prime is 142016276317. The reversal of 142016276309 is 903672610241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116465212900 + 25551063409 = 341270^2 + 159847^2 .

It is a cyclic number.

It is not a de Polignac number, because 142016276309 - 2³² = 137721309013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142016276009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71008138154 + 71008138155.

It is an arithmetic number, because the mean of its divisors is an integer number (71008138155).

Almost surely, 2^142016276309 is an apocalyptic number.

It is an amenable number.

142016276309 is a deficient number, since it is larger than the sum of its proper divisors (1).

142016276309 is an equidigital number, since it uses as much as digits as its factorization.

142016276309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 142016276309 in words is "one hundred forty-two billion, sixteen million, two hundred seventy-six thousand, three hundred nine".