539133468 has 12 divisors (see below), whose sum is σ = 1257978120. Its totient is φ = 179711152.

The previous prime is 539133467. The next prime is 539133473. The reversal of 539133468 is 864331935.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539133467) 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, 22463883 + ... + 22463906.

It is an arithmetic number, because the mean of its divisors is an integer number (104831510).

Almost surely, 2^539133468 is an apocalyptic number.

It is an amenable number.

539133468 is an abundant number, since it is smaller than the sum of its proper divisors (718844652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539133468 is a wasteful number, since it uses less digits than its factorization.

539133468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44927796 (or 44927794 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 539133468 is about 23219.2477914337. The cubic root of 539133468 is about 813.8894722017.

The spelling of 539133468 in words is "five hundred thirty-nine million, one hundred thirty-three thousand, four hundred sixty-eight".