42135104134 has 4 divisors (see below), whose sum is σ = 63202656204. Its totient is φ = 21067552066.

The previous prime is 42135104093. The next prime is 42135104153. The reversal of 42135104134 is 43140153124.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10533776032 + ... + 10533776035.

It is an arithmetic number, because the mean of its divisors is an integer number (15800664051).

Almost surely, 2^42135104134 is an apocalyptic number.

42135104134 is a deficient number, since it is larger than the sum of its proper divisors (21067552070).

42135104134 is a wasteful number, since it uses less digits than its factorization.

42135104134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21067552069.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 42135104134 its reverse (43140153124), we get a palindrome (85275257258).

The spelling of 42135104134 in words is "forty-two billion, one hundred thirty-five million, one hundred four thousand, one hundred thirty-four".