109369543 has 4 divisors (see below), whose sum is σ = 109396648. Its totient is φ = 109342440.

The previous prime is 109369471. The next prime is 109369571. The reversal of 109369543 is 345963901.

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 109369543 - 2⁹ = 109369031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109369496 and 109369505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109369573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (27349162).

Almost surely, 2^109369543 is an apocalyptic number.

109369543 is a deficient number, since it is larger than the sum of its proper divisors (27105).

109369543 is an equidigital number, since it uses as much as digits as its factorization.

109369543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27104.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 109369543 is about 10457.9894339208. The cubic root of 109369543 is about 478.2248421395.

The spelling of 109369543 in words is "one hundred nine million, three hundred sixty-nine thousand, five hundred forty-three".