500138 has 8 divisors (see below), whose sum is σ = 757188. Its totient is φ = 247744.

The previous prime is 500119. The next prime is 500153. The reversal of 500138 is 831005.

It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 289 = 707^2 + 17^2 .

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

It is an unprimeable number.

500138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 1332.

2⁵⁰⁰¹³⁸ is an apocalyptic number.

500138 is a deficient number, since it is larger than the sum of its proper divisors (257050).

500138 is a wasteful number, since it uses less digits than its factorization.

500138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 500138 is about 707.2043551902. The cubic root of 500138 is about 79.3773539716.

The spelling of 500138 in words is "five hundred thousand, one hundred thirty-eight".