420134612 has 24 divisors (see below), whose sum is σ = 779600640. Its totient is φ = 197553600.

The previous prime is 420134609. The next prime is 420134641. The reversal of 420134612 is 216431024.

It is a congruent number.

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, 9764 + ... + 30587.

It is an arithmetic number, because the mean of its divisors is an integer number (32483360).

Almost surely, 2^420134612 is an apocalyptic number.

It is an amenable number.

420134612 is a deficient number, since it is larger than the sum of its proper divisors (359466028).

420134612 is a wasteful number, since it uses less digits than its factorization.

420134612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40511 (or 40509 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 420134612 is about 20497.1854653267. The cubic root of 420134612 is about 748.9672374845.

Adding to 420134612 its reverse (216431024), we get a palindrome (636565636).

The spelling of 420134612 in words is "four hundred twenty million, one hundred thirty-four thousand, six hundred twelve".