538135 has 16 divisors (see below), whose sum is σ = 737856. Its totient is φ = 373248.

The previous prime is 538127. The next prime is 538147. The reversal of 538135 is 531835.

It is a happy number.

It is a 9-Lehmer number, since φ(538135) divides (538135-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 538135 - 2³ = 538127 is a prime.

It is an Ulam number.

It is a Duffinian number.

538135 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (46116).

2⁵³⁸¹³⁵ is an apocalyptic number.

538135 is a deficient number, since it is larger than the sum of its proper divisors (199721).

538135 is a wasteful number, since it uses less digits than its factorization.

538135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its digits is 1800, while the sum is 25.

The square root of 538135 is about 733.5768535062. The cubic root of 538135 is about 81.3386724227.

Adding to 538135 its product of digits (1800), we get a palindrome (539935).

The spelling of 538135 in words is "five hundred thirty-eight thousand, one hundred thirty-five".