105738609 has 4 divisors (see below), whose sum is σ = 140984816. Its totient is φ = 70492404.

The previous prime is 105738601. The next prime is 105738649. The reversal of 105738609 is 906837501.

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: 906837501 = 3 ⋅302279167.

It is not a de Polignac number, because 105738609 - 2³ = 105738601 is a prime.

It is a super-2 number, since 2×105738609² = 22361306866509762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105738601) 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, 17623099 + ... + 17623104.

It is an arithmetic number, because the mean of its divisors is an integer number (35246204).

Almost surely, 2^105738609 is an apocalyptic number.

It is an amenable number.

105738609 is a deficient number, since it is larger than the sum of its proper divisors (35246207).

105738609 is an equidigital number, since it uses as much as digits as its factorization.

105738609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35246206.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 105738609 is about 10282.9280363134. The cubic root of 105738609 is about 472.8730147042.

The spelling of 105738609 in words is "one hundred five million, seven hundred thirty-eight thousand, six hundred nine".