109385641 has 4 divisors (see below), whose sum is σ = 115142800. Its totient is φ = 103628484.

The previous prime is 109385623. The next prime is 109385669. The reversal of 109385641 is 146583901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146583901 = 107 ⋅1369943.

It is a cyclic number.

It is not a de Polignac number, because 109385641 - 2¹³ = 109377449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109385641.

It is not an unprimeable number, because it can be changed into a prime (109385621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878551 + ... + 2878588.

It is an arithmetic number, because the mean of its divisors is an integer number (28785700).

Almost surely, 2^109385641 is an apocalyptic number.

It is an amenable number.

109385641 is a deficient number, since it is larger than the sum of its proper divisors (5757159).

109385641 is an equidigital number, since it uses as much as digits as its factorization.

109385641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757158.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 109385641 is about 10458.7590564082. The cubic root of 109385641 is about 478.2483041431.

The spelling of 109385641 in words is "one hundred nine million, three hundred eighty-five thousand, six hundred forty-one".