142239105318 has 16 divisors (see below), whose sum is σ = 284546366640. Its totient is φ = 47401675776.

The previous prime is 142239105289. The next prime is 142239105329. The reversal of 142239105318 is 813501932241.

It is a super-3 number, since 3×142239105318³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2812683 + ... + 2862806.

It is an arithmetic number, because the mean of its divisors is an integer number (17784147915).

Almost surely, 2^142239105318 is an apocalyptic number.

142239105318 is an abundant number, since it is smaller than the sum of its proper divisors (142307261322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142239105318 is a wasteful number, since it uses less digits than its factorization.

142239105318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679671.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 142239105318 in words is "one hundred forty-two billion, two hundred thirty-nine million, one hundred five thousand, three hundred eighteen".