140144141 has 8 divisors (see below), whose sum is σ = 149028984. Its totient is φ = 131330560.

The previous prime is 140144111. The next prime is 140144143. The reversal of 140144141 is 141441041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43692100 + 96452041 = 6610^2 + 9821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140144141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140144143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13730 + ... + 21651.

It is an arithmetic number, because the mean of its divisors is an integer number (18628623).

Almost surely, 2^140144141 is an apocalyptic number.

It is an amenable number.

140144141 is a deficient number, since it is larger than the sum of its proper divisors (8884843).

140144141 is a wasteful number, since it uses less digits than its factorization.

140144141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35631.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 140144141 is about 11838.2490681688. The cubic root of 140144141 is about 519.4275517508.

Adding to 140144141 its reverse (141441041), we get a palindrome (281585182).

The spelling of 140144141 in words is "one hundred forty million, one hundred forty-four thousand, one hundred forty-one".