421030135 has 4 divisors (see below), whose sum is σ = 505236168. Its totient is φ = 336824104.

The previous prime is 421030121. The next prime is 421030147. The reversal of 421030135 is 531030124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421030135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42103009 + ... + 42103018.

It is an arithmetic number, because the mean of its divisors is an integer number (126309042).

Almost surely, 2^421030135 is an apocalyptic number.

421030135 is a deficient number, since it is larger than the sum of its proper divisors (84206033).

421030135 is an equidigital number, since it uses as much as digits as its factorization.

421030135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84206032.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 421030135 is about 20519.0188605596. The cubic root of 421030135 is about 749.4990046720.

Adding to 421030135 its reverse (531030124), we get a palindrome (952060259).

The spelling of 421030135 in words is "four hundred twenty-one million, thirty thousand, one hundred thirty-five".