42135535 has 8 divisors (see below), whose sum is σ = 54452160. Its totient is φ = 31115424.

The previous prime is 42135523. The next prime is 42135551. The reversal of 42135535 is 53553124.

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

It is a cyclic number.

It is not a de Polignac number, because 42135535 - 2¹⁹ = 41611247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324055 + ... + 324184.

It is an arithmetic number, because the mean of its divisors is an integer number (6806520).

Almost surely, 2^42135535 is an apocalyptic number.

42135535 is a deficient number, since it is larger than the sum of its proper divisors (12316625).

42135535 is a wasteful number, since it uses less digits than its factorization.

42135535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648257.

The product of its digits is 9000, while the sum is 28.

The square root of 42135535 is about 6491.1890282136. The cubic root of 42135535 is about 347.9761703637.

Adding to 42135535 its reverse (53553124), we get a palindrome (95688659).

The spelling of 42135535 in words is "forty-two million, one hundred thirty-five thousand, five hundred thirty-five".