142054120479619 has 2 divisors, whose sum is σ = 142054120479620. Its totient is φ = 142054120479618.

The previous prime is 142054120479569. The next prime is 142054120479671. The reversal of 142054120479619 is 916974021450241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142054120479619 - 2¹¹ = 142054120477571 is a prime.

It is a super-2 number, since 2×142054120479619² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142054120479619.

It is not a weakly prime, because it can be changed into another prime (142054120479679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71027060239809 + 71027060239810.

It is an arithmetic number, because the mean of its divisors is an integer number (71027060239810).

Almost surely, 2^{142054120479619} is an apocalyptic number.

142054120479619 is a deficient number, since it is larger than the sum of its proper divisors (1).

142054120479619 is an equidigital number, since it uses as much as digits as its factorization.

142054120479619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 142054120479619 in words is "one hundred forty-two trillion, fifty-four billion, one hundred twenty million, four hundred seventy-nine thousand, six hundred nineteen".