142031878619 has 2 divisors, whose sum is σ = 142031878620. Its totient is φ = 142031878618.

The previous prime is 142031878559. The next prime is 142031878691. The reversal of 142031878619 is 916878130241.

It is a happy number.

Together with next prime (142031878691) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (916878130241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142031878619 - 2⁸ = 142031878363 is a prime.

It is a super-2 number, since 2×142031878619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142031878699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71015939309 + 71015939310.

It is an arithmetic number, because the mean of its divisors is an integer number (71015939310).

Almost surely, 2^142031878619 is an apocalyptic number.

142031878619 is a deficient number, since it is larger than the sum of its proper divisors (1).

142031878619 is an equidigital number, since it uses as much as digits as its factorization.

142031878619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 142031878619 in words is "one hundred forty-two billion, thirty-one million, eight hundred seventy-eight thousand, six hundred nineteen".