142140220032 has 128 divisors (see below), whose sum is σ = 386687597760. Its totient is φ = 46243971072.

The previous prime is 142140219943. The next prime is 142140220043. The reversal of 142140220032 is 230022041241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 142140219990 and 142140220008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3909843 + ... + 3946029.

Almost surely, 2^142140220032 is an apocalyptic number.

142140220032 is a gapful number since it is divisible by the number (12) 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 142140220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193343798880).

142140220032 is an abundant number, since it is smaller than the sum of its proper divisors (244547377728).

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

142140220032 is a wasteful number, since it uses less digits than its factorization.

142140220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36450 (or 36438 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 142140220032 its reverse (230022041241), we get a palindrome (372162261273).

The spelling of 142140220032 in words is "one hundred forty-two billion, one hundred forty million, two hundred twenty thousand, thirty-two".