42142134134 has 4 divisors (see below), whose sum is σ = 63213201204. Its totient is φ = 21071067066.

The previous prime is 42142134113. The next prime is 42142134149. The reversal of 42142134134 is 43143124124.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42142134097 and 42142134106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10535533532 + ... + 10535533535.

It is an arithmetic number, because the mean of its divisors is an integer number (15803300301).

Almost surely, 2^42142134134 is an apocalyptic number.

42142134134 is a deficient number, since it is larger than the sum of its proper divisors (21071067070).

42142134134 is a wasteful number, since it uses less digits than its factorization.

42142134134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21071067069.

The product of its digits is 9216, while the sum is 29.

Adding to 42142134134 its reverse (43143124124), we get a palindrome (85285258258).

The spelling of 42142134134 in words is "forty-two billion, one hundred forty-two million, one hundred thirty-four thousand, one hundred thirty-four".