108013009 has 4 divisors (see below), whose sum is σ = 116321716. Its totient is φ = 99704304.

The previous prime is 108013007. The next prime is 108013013. The reversal of 108013009 is 900310801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62410000 + 45603009 = 7900^2 + 6753^2 .

It is a cyclic number.

It is not a de Polignac number, because 108013009 - 2¹ = 108013007 is a prime.

It is a super-2 number, since 2×108013009² = 23333620226468162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108013001) 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, 4154334 + ... + 4154359.

It is an arithmetic number, because the mean of its divisors is an integer number (29080429).

Almost surely, 2^108013009 is an apocalyptic number.

It is an amenable number.

108013009 is a deficient number, since it is larger than the sum of its proper divisors (8308707).

108013009 is an equidigital number, since it uses as much as digits as its factorization.

108013009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308706.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 108013009 is about 10392.9307223709. The cubic root of 108013009 is about 476.2394356564.

The spelling of 108013009 in words is "one hundred eight million, thirteen thousand, nine".