539133975 has 30 divisors (see below), whose sum is σ = 998666240. Its totient is φ = 287537040.

The previous prime is 539133953. The next prime is 539133977. The reversal of 539133975 is 579331935.

539133975 is a `hidden beast` number, since 539 + 13 + 39 + 75 = 666.

It is not a de Polignac number, because 539133975 - 2²⁰ = 538085399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 539133975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539133977) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 131095 + ... + 135144.

Almost surely, 2^539133975 is an apocalyptic number.

539133975 is a deficient number, since it is larger than the sum of its proper divisors (459532265).

539133975 is a wasteful number, since it uses less digits than its factorization.

539133975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266261 (or 266247 counting only the distinct ones).

The product of its digits is 382725, while the sum is 45.

The square root of 539133975 is about 23219.2587090975. The cubic root of 539133975 is about 813.8897273283.

The spelling of 539133975 in words is "five hundred thirty-nine million, one hundred thirty-three thousand, nine hundred seventy-five".