42342135 has 48 divisors (see below), whose sum is σ = 76416480. Its totient is φ = 19993600.

The previous prime is 42342133. The next prime is 42342151. The reversal of 42342135 is 53124324.

It is not a de Polignac number, because 42342135 - 2¹ = 42342133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74131 + ... + 74699.

It is an arithmetic number, because the mean of its divisors is an integer number (1592010).

Almost surely, 2^42342135 is an apocalyptic number.

42342135 is a deficient number, since it is larger than the sum of its proper divisors (34074345).

42342135 is a wasteful number, since it uses less digits than its factorization.

42342135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 629 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 42342135 is about 6507.0834480587. The cubic root of 42342135 is about 348.5439784711.

Adding to 42342135 its reverse (53124324), we get a palindrome (95466459).

The spelling of 42342135 in words is "forty-two million, three hundred forty-two thousand, one hundred thirty-five".