42135895 has 8 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 33521760.

The previous prime is 42135889. The next prime is 42135917. The reversal of 42135895 is 59853124.

42135895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42135895 - 2⁷ = 42135767 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22375 + ... + 24184.

It is an arithmetic number, because the mean of its divisors is an integer number (6355440).

Almost surely, 2^42135895 is an apocalyptic number.

42135895 is a deficient number, since it is larger than the sum of its proper divisors (8707625).

42135895 is a wasteful number, since it uses less digits than its factorization.

42135895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46745.

The product of its digits is 43200, while the sum is 37.

The square root of 42135895 is about 6491.2167580508. The cubic root of 42135895 is about 347.9771613805.

The spelling of 42135895 in words is "forty-two million, one hundred thirty-five thousand, eight hundred ninety-five".