142134210440020 has 48 divisors (see below), whose sum is σ = 300163482440640. Its totient is φ = 56533401634304.

The previous prime is 142134210439939. The next prime is 142134210440083. The reversal of 142134210440020 is 20044012431241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75927132 + ... + 77776588.

It is an arithmetic number, because the mean of its divisors is an integer number (6253405884180).

Almost surely, 2^{142134210440020} is an apocalyptic number.

142134210440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142134210440020 is an abundant number, since it is smaller than the sum of its proper divisors (158029272000620).

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

142134210440020 is a wasteful number, since it uses less digits than its factorization.

142134210440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871112 (or 1871110 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142134210440020 its reverse (20044012431241), we get a palindrome (162178222871261).

The spelling of 142134210440020 in words is "one hundred forty-two trillion, one hundred thirty-four billion, two hundred ten million, four hundred forty thousand, twenty".