109403361 has 6 divisors (see below), whose sum is σ = 158027090. Its totient is φ = 72935568.

The previous prime is 109403321. The next prime is 109403377. The reversal of 109403361 is 163304901.

It can be written as a sum of positive squares in only one way, i.e., 93721761 + 15681600 = 9681^2 + 3960^2 .

It is not a de Polignac number, because 109403361 - 2¹⁸ = 109141217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109403321) 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 5 ways as a sum of consecutive naturals, for example, 6077956 + ... + 6077973.

Almost surely, 2^109403361 is an apocalyptic number.

It is an amenable number.

109403361 is a deficient number, since it is larger than the sum of its proper divisors (48623729).

109403361 is a wasteful number, since it uses less digits than its factorization.

109403361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155935 (or 12155932 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 109403361 is about 10459.6061589335. The cubic root of 109403361 is about 478.2741274666.

The spelling of 109403361 in words is "one hundred nine million, four hundred three thousand, three hundred sixty-one".