13554109 has 4 divisors (see below), whose sum is σ = 13725760. Its totient is φ = 13382460.

The previous prime is 13554097. The next prime is 13554127. The reversal of 13554109 is 90145531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13554109 - 2¹¹ = 13552061 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 (13554169) 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, 85707 + ... + 85864.

It is an arithmetic number, because the mean of its divisors is an integer number (3431440).

Almost surely, 2^13554109 is an apocalyptic number.

It is an amenable number.

13554109 is a deficient number, since it is larger than the sum of its proper divisors (171651).

13554109 is an equidigital number, since it uses as much as digits as its factorization.

13554109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171650.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 13554109 is about 3681.5905530083. The cubic root of 13554109 is about 238.4278547716.

The spelling of 13554109 in words is "thirteen million, five hundred fifty-four thousand, one hundred nine".