475318129 has 12 divisors (see below), whose sum is σ = 562647988. Its totient is φ = 398867040.

The previous prime is 475318121. The next prime is 475318157. The reversal of 475318129 is 921813574.

It can be written as a sum of positive squares in 2 ways, for example, as 35283600 + 440034529 = 5940^2 + 20977^2 .

It is not a de Polignac number, because 475318129 - 2³ = 475318121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 475318091 and 475318100.

It is not an unprimeable number, because it can be changed into a prime (475318121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149514 + ... + 152659.

Almost surely, 2^475318129 is an apocalyptic number.

It is an amenable number.

475318129 is a deficient number, since it is larger than the sum of its proper divisors (87329859).

475318129 is a wasteful number, since it uses less digits than its factorization.

475318129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302208 (or 302197 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 475318129 is about 21801.7918758986. The cubic root of 475318129 is about 780.4195250292.

The spelling of 475318129 in words is "four hundred seventy-five million, three hundred eighteen thousand, one hundred twenty-nine".