42812135 has 8 divisors (see below), whose sum is σ = 51446976. Its totient is φ = 34201440.

The previous prime is 42812101. The next prime is 42812167. The reversal of 42812135 is 53121824.

42812135 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 42812135 - 2¹² = 42808039 is a prime.

It is a Duffinian number.

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, 1871 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (6430872).

Almost surely, 2^42812135 is an apocalyptic number.

42812135 is a deficient number, since it is larger than the sum of its proper divisors (8634841).

42812135 is a wasteful number, since it uses less digits than its factorization.

42812135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073.

The product of its digits is 1920, while the sum is 26.

The square root of 42812135 is about 6543.0982722255. The cubic root of 42812135 is about 349.8288551018.

Adding to 42812135 its reverse (53121824), we get a palindrome (95933959).

It can be divided in two parts, 42 and 812135, that multiplied together give a triangular number (34109670 = T₈₂₅₉).

The spelling of 42812135 in words is "forty-two million, eight hundred twelve thousand, one hundred thirty-five".