140140544 has 28 divisors (see below), whose sum is σ = 280280364. Its totient is φ = 70066176.

The previous prime is 140140543. The next prime is 140140547. The reversal of 140140544 is 445041041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362 + ... + 16745.

It is an arithmetic number, because the mean of its divisors is an integer number (10010013).

Almost surely, 2^140140544 is an apocalyptic number.

It is an amenable number.

140140544 is a deficient number, since it is larger than the sum of its proper divisors (140139820).

140140544 is an frugal number, since it uses more digits than its factorization.

140140544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17133 (or 17109 counting only the distinct ones).

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

The square root of 140140544 is about 11838.0971443894. The cubic root of 140140544 is about 519.4231077622.

Adding to 140140544 its reverse (445041041), we get a palindrome (585181585).

The spelling of 140140544 in words is "one hundred forty million, one hundred forty thousand, five hundred forty-four".