109169090 has 8 divisors (see below), whose sum is σ = 196504380. Its totient is φ = 43667632.

The previous prime is 109169083. The next prime is 109169111. The reversal of 109169090 is 90961901.

It can be written as a sum of positive squares in 2 ways, for example, as 107267449 + 1901641 = 10357^2 + 1379^2 .

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

It is a super-2 number, since 2×109169090² = 23835780422856200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109169090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5458445 + ... + 5458464.

Almost surely, 2^109169090 is an apocalyptic number.

109169090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109169090 is a deficient number, since it is larger than the sum of its proper divisors (87335290).

109169090 is a wasteful number, since it uses less digits than its factorization.

109169090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916916.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 109169090 is about 10448.4013131196. The cubic root of 109169090 is about 477.9324992363.

The spelling of 109169090 in words is "one hundred nine million, one hundred sixty-nine thousand, ninety".