140013044 has 18 divisors (see below), whose sum is σ = 253769334. Its totient is φ = 67590880.

The previous prime is 140013023. The next prime is 140013061. The reversal of 140013044 is 440310041.

140013044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 18748900 + 121264144 = 4330^2 + 11012^2 .

It is a congruent number.

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, 17447 + ... + 24174.

Almost surely, 2^140013044 is an apocalyptic number.

It is an amenable number.

140013044 is a deficient number, since it is larger than the sum of its proper divisors (113756290).

140013044 is a wasteful number, since it uses less digits than its factorization.

140013044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41683 (or 41652 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140013044 is about 11832.7107629655. The cubic root of 140013044 is about 519.2655360874.

Adding to 140013044 its reverse (440310041), we get a palindrome (580323085).

The spelling of 140013044 in words is "one hundred forty million, thirteen thousand, forty-four".