142134111020 has 96 divisors (see below), whose sum is σ = 354088687680. Its totient is φ = 47330058240.

The previous prime is 142134110999. The next prime is 142134111029. The reversal of 142134111020 is 20111431241.

142134111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 142134110983 and 142134111001.

It is not an unprimeable number, because it can be changed into a prime (142134111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375185 + ... + 651944.

It is an arithmetic number, because the mean of its divisors is an integer number (3688423830).

Almost surely, 2^142134111020 is an apocalyptic number.

142134111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142134111020 is an abundant number, since it is smaller than the sum of its proper divisors (211954576660).

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

142134111020 is a wasteful number, since it uses less digits than its factorization.

142134111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027203 (or 1027201 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 142134111020 its reverse (20111431241), we get a palindrome (162245542261).

The spelling of 142134111020 in words is "one hundred forty-two billion, one hundred thirty-four million, one hundred eleven thousand, twenty".