109414549 has 4 divisors (see below), whose sum is σ = 109436364. Its totient is φ = 109392736.

The previous prime is 109414523. The next prime is 109414577. The reversal of 109414549 is 945414901.

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 17388900 + 92025649 = 4170^2 + 9593^2 .

It is a cyclic number.

It is not a de Polignac number, because 109414549 - 2⁷ = 109414421 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109414589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819 + ... + 14815.

It is an arithmetic number, because the mean of its divisors is an integer number (27359091).

Almost surely, 2^109414549 is an apocalyptic number.

It is an amenable number.

109414549 is a deficient number, since it is larger than the sum of its proper divisors (21815).

109414549 is an equidigital number, since it uses as much as digits as its factorization.

109414549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21814.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 109414549 is about 10460.1409646333. The cubic root of 109414549 is about 478.2904302824.

The spelling of 109414549 in words is "one hundred nine million, four hundred fourteen thousand, five hundred forty-nine".