105909319 has 4 divisors (see below), whose sum is σ = 110514096. Its totient is φ = 101304544.

The previous prime is 105909289. The next prime is 105909407. The reversal of 105909319 is 913909501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913909501 = 47 ⋅19444883.

It is a cyclic number.

It is not a de Polignac number, because 105909319 - 2⁹ = 105908807 is a prime.

It is a super-2 number, since 2×105909319² = 22433567702087522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105909719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302354 + ... + 2302399.

It is an arithmetic number, because the mean of its divisors is an integer number (27628524).

Almost surely, 2^105909319 is an apocalyptic number.

105909319 is a deficient number, since it is larger than the sum of its proper divisors (4604777).

105909319 is an equidigital number, since it uses as much as digits as its factorization.

105909319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604776.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 105909319 is about 10291.2253400652. The cubic root of 105909319 is about 473.1273549440.

The spelling of 105909319 in words is "one hundred five million, nine hundred nine thousand, three hundred nineteen".