109149403 has 8 divisors (see below), whose sum is σ = 119162736. Its totient is φ = 99151200.

The previous prime is 109149389. The next prime is 109149431. The reversal of 109149403 is 304941901.

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-109149403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109149473) 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, 15693 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (14895342).

Almost surely, 2^109149403 is an apocalyptic number.

109149403 is a deficient number, since it is larger than the sum of its proper divisors (10013333).

109149403 is a wasteful number, since it uses less digits than its factorization.

109149403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 109149403 is about 10447.4591647922. The cubic root of 109149403 is about 477.9037682015.

The spelling of 109149403 in words is "one hundred nine million, one hundred forty-nine thousand, four hundred three".