109098065 has 8 divisors (see below), whose sum is σ = 131246568. Its totient is φ = 87059200.

The previous prime is 109098047. The next prime is 109098097. The reversal of 109098065 is 560890901.

It can be written as a sum of positive squares in 4 ways, for example, as 44568976 + 64529089 = 6676^2 + 8033^2 .

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

It is not a de Polignac number, because 109098065 - 2⁶ = 109098001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25202 + ... + 29211.

It is an arithmetic number, because the mean of its divisors is an integer number (16405821).

Almost surely, 2^109098065 is an apocalyptic number.

It is an amenable number.

109098065 is a deficient number, since it is larger than the sum of its proper divisors (22148503).

109098065 is an equidigital number, since it uses as much as digits as its factorization.

109098065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54819.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 109098065 is about 10445.0019147916. The cubic root of 109098065 is about 477.8288297209.

The spelling of 109098065 in words is "one hundred nine million, ninety-eight thousand, sixty-five".