142420113422 has 8 divisors (see below), whose sum is σ = 213702867000. Its totient is φ = 71185824424.

The previous prime is 142420113421. The next prime is 142420113431. The reversal of 142420113422 is 224311024241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142420113391 and 142420113400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420113421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12108797 + ... + 12120552.

It is an arithmetic number, because the mean of its divisors is an integer number (26712858375).

Almost surely, 2^142420113422 is an apocalyptic number.

142420113422 is a deficient number, since it is larger than the sum of its proper divisors (71282753578).

142420113422 is a wasteful number, since it uses less digits than its factorization.

142420113422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24232290.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142420113422 its reverse (224311024241), we get a palindrome (366731137663).

The spelling of 142420113422 in words is "one hundred forty-two billion, four hundred twenty million, one hundred thirteen thousand, four hundred twenty-two".