420234135 has 16 divisors (see below), whose sum is σ = 711926496. Its totient is φ = 210940928.

The previous prime is 420234121. The next prime is 420234137. The reversal of 420234135 is 531432024.

It is a cyclic number.

It is not a de Polignac number, because 420234135 - 2⁴ = 420234119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420234137) 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 15 ways as a sum of consecutive naturals, for example, 823734 + ... + 824243.

It is an arithmetic number, because the mean of its divisors is an integer number (44495406).

Almost surely, 2^420234135 is an apocalyptic number.

420234135 is a deficient number, since it is larger than the sum of its proper divisors (291692361).

420234135 is a wasteful number, since it uses less digits than its factorization.

420234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648002.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 420234135 is about 20499.6130451284. The cubic root of 420234135 is about 749.0263721676.

Adding to 420234135 its reverse (531432024), we get a palindrome (951666159).

The spelling of 420234135 in words is "four hundred twenty million, two hundred thirty-four thousand, one hundred thirty-five".