429568138 has 16 divisors (see below), whose sum is σ = 686076480. Its totient is φ = 201017536.

The previous prime is 429568133. The next prime is 429568199. The reversal of 429568138 is 831865924.

It is not an unprimeable number, because it can be changed into a prime (429568133) 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 7 ways as a sum of consecutive naturals, for example, 29206 + ... + 41377.

It is an arithmetic number, because the mean of its divisors is an integer number (42879780).

Almost surely, 2^429568138 is an apocalyptic number.

429568138 is a deficient number, since it is larger than the sum of its proper divisors (256508342).

429568138 is a wasteful number, since it uses less digits than its factorization.

429568138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70781.

The product of its digits is 414720, while the sum is 46.

The square root of 429568138 is about 20726.0256199784. The cubic root of 429568138 is about 754.5314625812.

The spelling of 429568138 in words is "four hundred twenty-nine million, five hundred sixty-eight thousand, one hundred thirty-eight".