109349521 has 8 divisors (see below), whose sum is σ = 114738624. Its totient is φ = 104013360.

The previous prime is 109349507. The next prime is 109349533. The reversal of 109349521 is 125943901.

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

It is not a de Polignac number, because 109349521 - 2¹⁷ = 109218449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109346521) 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, 8971 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (14342328).

Almost surely, 2^109349521 is an apocalyptic number.

It is an amenable number.

109349521 is a deficient number, since it is larger than the sum of its proper divisors (5389103).

109349521 is a wasteful number, since it uses less digits than its factorization.

109349521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26471.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 109349521 is about 10457.0321315371. The cubic root of 109349521 is about 478.1956578960.

The spelling of 109349521 in words is "one hundred nine million, three hundred forty-nine thousand, five hundred twenty-one".