535139 has 4 divisors (see below), whose sum is σ = 583800. Its totient is φ = 486480.

The previous prime is 535133. The next prime is 535151. The reversal of 535139 is 931535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 535139 - 2⁴ = 535123 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 535139.

It is not an unprimeable number, because it can be changed into a prime (535133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24314 + ... + 24335.

It is an arithmetic number, because the mean of its divisors is an integer number (145950).

2⁵³⁵¹³⁹ is an apocalyptic number.

535139 is a deficient number, since it is larger than the sum of its proper divisors (48661).

535139 is a wasteful number, since it uses less digits than its factorization.

535139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48660.

The product of its digits is 2025, while the sum is 26.

The square root of 535139 is about 731.5319541893. The cubic root of 535139 is about 81.1874437621.

The spelling of 535139 in words is "five hundred thirty-five thousand, one hundred thirty-nine".