142134403312020 has 192 divisors, whose sum is σ = 474654209863680. Its totient is φ = 31072146158592.

The previous prime is 142134403312003. The next prime is 142134403312087. The reversal of 142134403312020 is 20213304431241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93615459 + ... + 95121621.

It is an arithmetic number, because the mean of its divisors is an integer number (2472157343040).

Almost surely, 2^{142134403312020} is an apocalyptic number.

142134403312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142134403312020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237327104931840).

142134403312020 is an abundant number, since it is smaller than the sum of its proper divisors (332519806551660).

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

142134403312020 is a wasteful number, since it uses less digits than its factorization.

142134403312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515974 (or 1515972 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 142134403312020 its reverse (20213304431241), we get a palindrome (162347707743261).

The spelling of 142134403312020 in words is "one hundred forty-two trillion, one hundred thirty-four billion, four hundred three million, three hundred twelve thousand, twenty".