539427139 has 2 divisors, whose sum is σ = 539427140. Its totient is φ = 539427138.

The previous prime is 539427121. The next prime is 539427179. The reversal of 539427139 is 931724935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 539427139 - 2²⁷ = 405209411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539427095 and 539427104.

It is not a weakly prime, because it can be changed into another prime (539427179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269713569 + 269713570.

It is an arithmetic number, because the mean of its divisors is an integer number (269713570).

Almost surely, 2^539427139 is an apocalyptic number.

539427139 is a deficient number, since it is larger than the sum of its proper divisors (1).

539427139 is an equidigital number, since it uses as much as digits as its factorization.

539427139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 539427139 is about 23225.5708003054. The cubic root of 539427139 is about 814.0372230924.

The spelling of 539427139 in words is "five hundred thirty-nine million, four hundred twenty-seven thousand, one hundred thirty-nine".