543139 has 2 divisors, whose sum is σ = 543140. Its totient is φ = 543138.

The previous prime is 543131. The next prime is 543143. The reversal of 543139 is 931345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543139 - 2³ = 543131 is a prime.

It is not a weakly prime, because it can be changed into another prime (543131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271569 + 271570.

It is an arithmetic number, because the mean of its divisors is an integer number (271570).

2⁵⁴³¹³⁹ is an apocalyptic number.

543139 is a deficient number, since it is larger than the sum of its proper divisors (1).

543139 is an equidigital number, since it uses as much as digits as its factorization.

543139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 543139 is about 736.9796469374. The cubic root of 543139 is about 81.5900118333.

The spelling of 543139 in words is "five hundred forty-three thousand, one hundred thirty-nine".