475138 has 8 divisors (see below), whose sum is σ = 715788. Its totient is φ = 236544.

The previous prime is 475109. The next prime is 475141. The reversal of 475138 is 831574.

It can be written as a sum of positive squares in 2 ways, for example, as 466489 + 8649 = 683^2 + 93^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×475138² = 451512238088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370 + ... + 1042.

2⁴⁷⁵¹³⁸ is an apocalyptic number.

475138 is a deficient number, since it is larger than the sum of its proper divisors (240650).

475138 is a wasteful number, since it uses less digits than its factorization.

475138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its digits is 3360, while the sum is 28.

The square root of 475138 is about 689.3025460565. The cubic root of 475138 is about 78.0320928642.

The spelling of 475138 in words is "four hundred seventy-five thousand, one hundred thirty-eight".