109046965 has 4 divisors (see below), whose sum is σ = 130856364. Its totient is φ = 87237568.

The previous prime is 109046963. The next prime is 109046981. The reversal of 109046965 is 569640901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569640901 = 67 ⋅8502103.

It can be written as a sum of positive squares in 2 ways, for example, as 48191364 + 60855601 = 6942^2 + 7801^2 .

It is a cyclic number.

It is not a de Polignac number, because 109046965 - 2¹ = 109046963 is a prime.

It is a super-2 number, since 2×109046965² = 23782481151422450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109046963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10904692 + ... + 10904701.

It is an arithmetic number, because the mean of its divisors is an integer number (32714091).

Almost surely, 2^109046965 is an apocalyptic number.

It is an amenable number.

109046965 is a deficient number, since it is larger than the sum of its proper divisors (21809399).

109046965 is an equidigital number, since it uses as much as digits as its factorization.

109046965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809398.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 109046965 is about 10442.5554822562. Note that the first 3 decimals coincide. The cubic root of 109046965 is about 477.7542153013.

It can be divided in two parts, 109046 and 965, that added together give a palindrome (110011).

The spelling of 109046965 in words is "one hundred nine million, forty-six thousand, nine hundred sixty-five".