105680635 has 4 divisors (see below), whose sum is σ = 126816768. Its totient is φ = 84544504.

The previous prime is 105680633. The next prime is 105680639. The reversal of 105680635 is 536086501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105680635 - 2¹ = 105680633 is a prime.

It is a super-2 number, since 2×105680635² = 22336793228006450, which contains 22 as substring.

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 105680635.

It is not an unprimeable number, because it can be changed into a prime (105680633) 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, 10568059 + ... + 10568068.

It is an arithmetic number, because the mean of its divisors is an integer number (31704192).

Almost surely, 2^105680635 is an apocalyptic number.

105680635 is a deficient number, since it is larger than the sum of its proper divisors (21136133).

105680635 is an equidigital number, since it uses as much as digits as its factorization.

105680635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21136132.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 105680635 is about 10280.1087056509. The cubic root of 105680635 is about 472.7865771763.

The spelling of 105680635 in words is "one hundred five million, six hundred eighty thousand, six hundred thirty-five".