142120134433422 has 72 divisors (see below), whose sum is σ = 321902903859264. Its totient is φ = 45312860178432.

The previous prime is 142120134433411. The next prime is 142120134433423. The reversal of 142120134433422 is 224334431021241.

142120134433422 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 201 + 3 + 443 + 3 + 4 + 2 + 2 = 666.

It is a super-2 number, since 2×142120134433422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142120134433423) 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 35 ways as a sum of consecutive naturals, for example, 769885198 + ... + 770069774.

It is an arithmetic number, because the mean of its divisors is an integer number (4470873664712).

Almost surely, 2^{142120134433422} is an apocalyptic number.

142120134433422 is an abundant number, since it is smaller than the sum of its proper divisors (179782769425842).

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

142120134433422 is a wasteful number, since it uses less digits than its factorization.

142120134433422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265494 (or 265468 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 142120134433422 its reverse (224334431021241), we get a palindrome (366454565454663).

The spelling of 142120134433422 in words is "one hundred forty-two trillion, one hundred twenty billion, one hundred thirty-four million, four hundred thirty-three thousand, four hundred twenty-two".