42134135 has 4 divisors (see below), whose sum is σ = 50560968. Its totient is φ = 33707304.

The previous prime is 42134117. The next prime is 42134149. The reversal of 42134135 is 53143124.

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

It is a cyclic number.

It is not a de Polignac number, because 42134135 - 2⁸ = 42133879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42134135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213409 + ... + 4213418.

It is an arithmetic number, because the mean of its divisors is an integer number (12640242).

Almost surely, 2^42134135 is an apocalyptic number.

42134135 is a deficient number, since it is larger than the sum of its proper divisors (8426833).

42134135 is an equidigital number, since it uses as much as digits as its factorization.

42134135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426832.

The product of its digits is 1440, while the sum is 23.

The square root of 42134135 is about 6491.0811888313. The cubic root of 42134135 is about 347.9723163560.

Adding to 42134135 its reverse (53143124), we get a palindrome (95277259).

The spelling of 42134135 in words is "forty-two million, one hundred thirty-four thousand, one hundred thirty-five".