109390605 has 8 divisors (see below), whose sum is σ = 175024992. Its totient is φ = 58341648.

The previous prime is 109390579. The next prime is 109390609. The reversal of 109390605 is 506093901.

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

It is not a de Polignac number, because 109390605 - 2¹⁵ = 109357837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109390609) 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, 3646339 + ... + 3646368.

It is an arithmetic number, because the mean of its divisors is an integer number (21878124).

Almost surely, 2^109390605 is an apocalyptic number.

109390605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109390605 is a deficient number, since it is larger than the sum of its proper divisors (65634387).

109390605 is an equidigital number, since it uses as much as digits as its factorization.

109390605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292715.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 109390605 is about 10458.9963667648. The cubic root of 109390605 is about 478.2555384524.

The spelling of 109390605 in words is "one hundred nine million, three hundred ninety thousand, six hundred five".