140144504 has 16 divisors (see below), whose sum is σ = 265938120. Its totient is φ = 69227680.

The previous prime is 140144479. The next prime is 140144507. The reversal of 140144504 is 405441041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140144504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140144507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104867 + ... + 106194.

Almost surely, 2^140144504 is an apocalyptic number.

It is an amenable number.

140144504 is a deficient number, since it is larger than the sum of its proper divisors (125793616).

140144504 is a wasteful number, since it uses less digits than its factorization.

140144504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211150 (or 211146 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 140144504 is about 11838.2643998181. The cubic root of 140144504 is about 519.4280002225.

Adding to 140144504 its reverse (405441041), we get a palindrome (545585545).

The spelling of 140144504 in words is "one hundred forty million, one hundred forty-four thousand, five hundred four".