142420202013234 has 16 divisors (see below), whose sum is σ = 291464599469472. Its totient is φ = 46369368097248.

The previous prime is 142420202013197. The next prime is 142420202013239. The reversal of 142420202013234 is 432310202024241.

It is a super-2 number, since 2×142420202013234² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142420202013239) 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 7 ways as a sum of consecutive naturals, for example, 276008143179 + ... + 276008143694.

It is an arithmetic number, because the mean of its divisors is an integer number (18216537466842).

Almost surely, 2^{142420202013234} is an apocalyptic number.

142420202013234 is an abundant number, since it is smaller than the sum of its proper divisors (149044397456238).

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

142420202013234 is a wasteful number, since it uses less digits than its factorization.

142420202013234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552016286921.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 142420202013234 its reverse (432310202024241), we get a palindrome (574730404037475).

The spelling of 142420202013234 in words is "one hundred forty-two trillion, four hundred twenty billion, two hundred two million, thirteen thousand, two hundred thirty-four".