42135430 has 8 divisors (see below), whose sum is σ = 75843792. Its totient is φ = 16854168.

The previous prime is 42135427. The next prime is 42135433. The reversal of 42135430 is 3453124.

42135430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42135427) and next prime (42135433).

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

It is a super-2 number, since 2×42135430² = 3550788922569800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42135433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2106762 + ... + 2106781.

It is an arithmetic number, because the mean of its divisors is an integer number (9480474).

Almost surely, 2^42135430 is an apocalyptic number.

42135430 is a deficient number, since it is larger than the sum of its proper divisors (33708362).

42135430 is a wasteful number, since it uses less digits than its factorization.

42135430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213550.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42135430 is about 6491.1809403220. The cubic root of 42135430 is about 347.9758813161.

Adding to 42135430 its reverse (3453124), we get a palindrome (45588554).

The spelling of 42135430 in words is "forty-two million, one hundred thirty-five thousand, four hundred thirty".