142120243130140 has 96 divisors (see below), whose sum is σ = 336806965168128. Its totient is φ = 49905893472000.

The previous prime is 142120243130083. The next prime is 142120243130161. The reversal of 142120243130140 is 41031342021241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142120243130099 and 142120243130108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19126351 + ... + 25496230.

It is an arithmetic number, because the mean of its divisors is an integer number (3508405887168).

Almost surely, 2^{142120243130140} is an apocalyptic number.

142120243130140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142120243130140 is an abundant number, since it is smaller than the sum of its proper divisors (194686722037988).

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

142120243130140 is a wasteful number, since it uses less digits than its factorization.

142120243130140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44623099 (or 44623097 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 142120243130140 its reverse (41031342021241), we get a palindrome (183151585151381).

The spelling of 142120243130140 in words is "one hundred forty-two trillion, one hundred twenty billion, two hundred forty-three million, one hundred thirty thousand, one hundred forty".