109506403 has 8 divisors (see below), whose sum is σ = 111326400. Its totient is φ = 107697408.

The previous prime is 109506391. The next prime is 109506413. The reversal of 109506403 is 304605901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109506403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109506413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18675 + ... + 23827.

It is an arithmetic number, because the mean of its divisors is an integer number (13915800).

Almost surely, 2^109506403 is an apocalyptic number.

109506403 is a deficient number, since it is larger than the sum of its proper divisors (1819997).

109506403 is an equidigital number, since it uses as much as digits as its factorization.

109506403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 109506403 is about 10464.5307109301. The cubic root of 109506403 is about 478.4242351599.

The spelling of 109506403 in words is "one hundred nine million, five hundred six thousand, four hundred three".