100539 has 6 divisors (see below), whose sum is σ = 145236. Its totient is φ = 67020.

The previous prime is 100537. The next prime is 100547. The reversal of 100539 is 935001.

100539 = T₃₂ + T₃₃ + ... + T₈₅.

It is not a de Polignac number, because 100539 - 2¹ = 100537 is a prime.

100539 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (100537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5577 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (24206).

2¹⁰⁰⁵³⁹ is an apocalyptic number.

100539 is a deficient number, since it is larger than the sum of its proper divisors (44697).

100539 is a wasteful number, since it uses less digits than its factorization.

100539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177 (or 11174 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 100539 is about 317.0788545457. The cubic root of 100539 is about 46.4991328316.

The spelling of 100539 in words is "one hundred thousand, five hundred thirty-nine".