42142134106 has 8 divisors (see below), whose sum is σ = 63215693460. Its totient is φ = 21070236288.

The previous prime is 42142134079. The next prime is 42142134109. The reversal of 42142134106 is 60143124124.

It can be written as a sum of positive squares in 2 ways, for example, as 38570996025 + 3571138081 = 196395^2 + 59759^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42142134109) 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, 349911 + ... + 454666.

Almost surely, 2^42142134106 is an apocalyptic number.

42142134106 is a deficient number, since it is larger than the sum of its proper divisors (21073559354).

42142134106 is a wasteful number, since it uses less digits than its factorization.

42142134106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830768.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 42142134106 in words is "forty-two billion, one hundred forty-two million, one hundred thirty-four thousand, one hundred six".