140044105 has 16 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 109805760.

The previous prime is 140044063. The next prime is 140044123. The reversal of 140044105 is 501440041.

It is not a de Polignac number, because 140044105 - 2¹¹ = 140042057 is a prime.

It is a super-2 number, since 2×140044105² = 39224702690502050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 108856 + ... + 110134.

It is an arithmetic number, because the mean of its divisors is an integer number (10713600).

Almost surely, 2^140044105 is an apocalyptic number.

It is an amenable number.

140044105 is a deficient number, since it is larger than the sum of its proper divisors (31373495).

140044105 is a wasteful number, since it uses less digits than its factorization.

140044105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140044105 is about 11834.0231958536. The cubic root of 140044105 is about 519.3039318297.

Adding to 140044105 its reverse (501440041), we get a palindrome (641484146).

The spelling of 140044105 in words is "one hundred forty million, forty-four thousand, one hundred five".