140204044 has 36 divisors (see below), whose sum is σ = 258644736. Its totient is φ = 66492448.

The previous prime is 140204039. The next prime is 140204069. The reversal of 140204044 is 440402041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365877 + ... + 366259.

It is an arithmetic number, because the mean of its divisors is an integer number (7184576).

Almost surely, 2^140204044 is an apocalyptic number.

It is an amenable number.

140204044 is a deficient number, since it is larger than the sum of its proper divisors (118440692).

140204044 is a wasteful number, since it uses less digits than its factorization.

140204044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 140204044 is about 11840.7788595176. The cubic root of 140204044 is about 519.5015489849.

Adding to 140204044 its reverse (440402041), we get a palindrome (580606085).

The spelling of 140204044 in words is "one hundred forty million, two hundred four thousand, forty-four".