539135791 has 2 divisors, whose sum is σ = 539135792. Its totient is φ = 539135790.

The previous prime is 539135783. The next prime is 539135803. The reversal of 539135791 is 197531935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 539135791 - 2³ = 539135783 is a prime.

It is a super-2 number, since 2×539135791² = 581334802274391362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539135711) 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 as a sum of consecutive naturals, namely, 269567895 + 269567896.

It is an arithmetic number, because the mean of its divisors is an integer number (269567896).

Almost surely, 2^539135791 is an apocalyptic number.

539135791 is a deficient number, since it is larger than the sum of its proper divisors (1).

539135791 is an equidigital number, since it uses as much as digits as its factorization.

539135791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127575, while the sum is 43.

The square root of 539135791 is about 23219.2978145335. The cubic root of 539135791 is about 813.8906411532.

The spelling of 539135791 in words is "five hundred thirty-nine million, one hundred thirty-five thousand, seven hundred ninety-one".