100499539 has 12 divisors (see below), whose sum is σ = 117524424. Its totient is φ = 85688064.

The previous prime is 100499527. The next prime is 100499543. The reversal of 100499539 is 935994001.

It is not a de Polignac number, because 100499539 - 2⁵ = 100499507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100499519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4144 + ... + 14770.

It is an arithmetic number, because the mean of its divisors is an integer number (9793702).

Almost surely, 2^100499539 is an apocalyptic number.

100499539 is a deficient number, since it is larger than the sum of its proper divisors (17024885).

100499539 is a wasteful number, since it uses less digits than its factorization.

100499539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834 (or 10827 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 100499539 is about 10024.9458352651. The cubic root of 100499539 is about 464.9304848487.

The spelling of 100499539 in words is "one hundred million, four hundred ninety-nine thousand, five hundred thirty-nine".