142117908419 has 2 divisors, whose sum is σ = 142117908420. Its totient is φ = 142117908418.

The previous prime is 142117908407. The next prime is 142117908529. The reversal of 142117908419 is 914809711241.

142117908419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142117908419 is a prime.

It is a super-2 number, since 2×142117908419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142117908719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71058954209 + 71058954210.

It is an arithmetic number, because the mean of its divisors is an integer number (71058954210).

Almost surely, 2^142117908419 is an apocalyptic number.

142117908419 is a deficient number, since it is larger than the sum of its proper divisors (1).

142117908419 is an equidigital number, since it uses as much as digits as its factorization.

142117908419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 142117908419 in words is "one hundred forty-two billion, one hundred seventeen million, nine hundred eight thousand, four hundred nineteen".