420134234 has 16 divisors (see below), whose sum is σ = 679016520. Its totient is φ = 193811520.

The previous prime is 420134189. The next prime is 420134249. The reversal of 420134234 is 432431024.

It can be written as a sum of positive squares in 4 ways, for example, as 420127009 + 7225 = 20497^2 + 85^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97232 + ... + 101460.

Almost surely, 2^420134234 is an apocalyptic number.

420134234 is a deficient number, since it is larger than the sum of its proper divisors (258882286).

420134234 is a wasteful number, since it uses less digits than its factorization.

420134234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 420134234 is about 20497.1762445465. The cubic root of 420134234 is about 748.9670128663.

Adding to 420134234 its reverse (432431024), we get a palindrome (852565258).

The spelling of 420134234 in words is "four hundred twenty million, one hundred thirty-four thousand, two hundred thirty-four".