100085239 has 4 divisors (see below), whose sum is σ = 105972624. Its totient is φ = 94197856.

The previous prime is 100085233. The next prime is 100085257. The reversal of 100085239 is 932580001.

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

It is a cyclic number.

It is not a de Polignac number, because 100085239 - 2⁵ = 100085207 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 (100085233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943667 + ... + 2943700.

It is an arithmetic number, because the mean of its divisors is an integer number (26493156).

Almost surely, 2^100085239 is an apocalyptic number.

100085239 is a deficient number, since it is larger than the sum of its proper divisors (5887385).

100085239 is an equidigital number, since it uses as much as digits as its factorization.

100085239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887384.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 100085239 is about 10004.2610421760. The cubic root of 100085239 is about 464.2907273711.

The spelling of 100085239 in words is "one hundred million, eighty-five thousand, two hundred thirty-nine".