105149686 has 16 divisors (see below), whose sum is σ = 167675760. Its totient is φ = 49312800.

The previous prime is 105149683. The next prime is 105149687. The reversal of 105149686 is 686941501.

It is a super-2 number, since 2×105149686² = 22112912931797192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105149683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9861 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (10479735).

Almost surely, 2^105149686 is an apocalyptic number.

105149686 is a deficient number, since it is larger than the sum of its proper divisors (62526074).

105149686 is a wasteful number, since it uses less digits than its factorization.

105149686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27519.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 105149686 is about 10254.2520936439. The cubic root of 105149686 is about 471.9934734087.

The spelling of 105149686 in words is "one hundred five million, one hundred forty-nine thousand, six hundred eighty-six".