142398718612 has 24 divisors (see below), whose sum is σ = 258657631232. Its totient is φ = 68521917600.

The previous prime is 142398718591. The next prime is 142398718613. The reversal of 142398718612 is 216817893241.

It is a self number, because there is not a number n which added to its sum of digits gives 142398718612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142398718613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149868 + ... + 3194755.

Almost surely, 2^142398718612 is an apocalyptic number.

It is an amenable number.

142398718612 is a deficient number, since it is larger than the sum of its proper divisors (116258912620).

142398718612 is a wasteful number, since it uses less digits than its factorization.

142398718612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344839 (or 6344837 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The spelling of 142398718612 in words is "one hundred forty-two billion, three hundred ninety-eight million, seven hundred eighteen thousand, six hundred twelve".