544139 has 2 divisors, whose sum is σ = 544140. Its totient is φ = 544138.

The previous prime is 544133. The next prime is 544171. The reversal of 544139 is 931445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544139 - 2⁴ = 544123 is a prime.

It is a super-3 number, since 3×544139³ = 483337862539672857, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (544133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272069 + 272070.

It is an arithmetic number, because the mean of its divisors is an integer number (272070).

2⁵⁴⁴¹³⁹ is an apocalyptic number.

544139 is a deficient number, since it is larger than the sum of its proper divisors (1).

544139 is an equidigital number, since it uses as much as digits as its factorization.

544139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 544139 is about 737.6577797326. The cubic root of 544139 is about 81.6400542656.

It can be divided in two parts, 5 and 44139, that added together give a palindrome (44144).

The spelling of 544139 in words is "five hundred forty-four thousand, one hundred thirty-nine".