539791131 has 16 divisors (see below), whose sum is σ = 785560320. Its totient is φ = 326975520.

The previous prime is 539791111. The next prime is 539791171. The reversal of 539791131 is 131197935.

It is not a de Polignac number, because 539791131 - 2⁹ = 539790619 is a prime.

It is a super-2 number, since 2×539791131² = 582748930212518322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 539791131.

It is not an unprimeable number, because it can be changed into a prime (539791111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93186 + ... + 98808.

It is an arithmetic number, because the mean of its divisors is an integer number (49097520).

Almost surely, 2^539791131 is an apocalyptic number.

539791131 is a deficient number, since it is larger than the sum of its proper divisors (245769189).

539791131 is a wasteful number, since it uses less digits than its factorization.

539791131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546.

The product of its digits is 25515, while the sum is 39.

The square root of 539791131 is about 23233.4054972576. The cubic root of 539791131 is about 814.2202792734.

The spelling of 539791131 in words is "five hundred thirty-nine million, seven hundred ninety-one thousand, one hundred thirty-one".