539958143 has 4 divisors (see below), whose sum is σ = 563434608. Its totient is φ = 516481680.

The previous prime is 539958113. The next prime is 539958173. The reversal of 539958143 is 341859935.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (539958113) and next prime (539958173).

It is a cyclic number.

It is not a de Polignac number, because 539958143 - 2²⁴ = 523180927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539958103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11738198 + ... + 11738243.

It is an arithmetic number, because the mean of its divisors is an integer number (140858652).

Almost surely, 2^539958143 is an apocalyptic number.

539958143 is a deficient number, since it is larger than the sum of its proper divisors (23476465).

539958143 is a wasteful number, since it uses less digits than its factorization.

539958143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23476464.

The product of its digits is 583200, while the sum is 47.

The square root of 539958143 is about 23236.9994405474. Note that the first 3 decimals coincide. The cubic root of 539958143 is about 814.3042441796.

The spelling of 539958143 in words is "five hundred thirty-nine million, nine hundred fifty-eight thousand, one hundred forty-three".