105140866 has 12 divisors (see below), whose sum is σ = 164868102. Its totient is φ = 50284256.

The previous prime is 105140857. The next prime is 105140879. The reversal of 105140866 is 668041501.

It can be written as a sum of positive squares in only one way, i.e., 104755225 + 385641 = 10235^2 + 621^2 .

It is a super-2 number, since 2×105140866² = 22109203406459912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48631 + ... + 50746.

Almost surely, 2^105140866 is an apocalyptic number.

105140866 is a deficient number, since it is larger than the sum of its proper divisors (59727236).

105140866 is an equidigital number, since it uses as much as digits as its factorization.

105140866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99425 (or 99402 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 105140866 is about 10253.8220191302. The cubic root of 105140866 is about 471.9802760359.

The spelling of 105140866 in words is "one hundred five million, one hundred forty thousand, eight hundred sixty-six".