106865540 has 12 divisors (see below), whose sum is σ = 224417676. Its totient is φ = 42746208.

The previous prime is 106865537. The next prime is 106865581. The reversal of 106865540 is 45568601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41190724 + 65674816 = 6418^2 + 8104^2 .

It is a super-2 number, since 2×106865540² = 22840487278983200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106865540.

It is an unprimeable number.

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, 2671619 + ... + 2671658.

It is an arithmetic number, because the mean of its divisors is an integer number (18701473).

Almost surely, 2^106865540 is an apocalyptic number.

106865540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106865540 is an abundant number, since it is smaller than the sum of its proper divisors (117552136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106865540 is a wasteful number, since it uses less digits than its factorization.

106865540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343286 (or 5343284 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 106865540 is about 10337.5790202542. The cubic root of 106865540 is about 474.5469956262.

The spelling of 106865540 in words is "one hundred six million, eight hundred sixty-five thousand, five hundred forty".