140144113 has 4 divisors (see below), whose sum is σ = 140177268. Its totient is φ = 140110960.

The previous prime is 140144111. The next prime is 140144143. The reversal of 140144113 is 311441041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311441041 = 10909 ⋅28549.

It can be written as a sum of positive squares in 2 ways, for example, as 111767184 + 28376929 = 10572^2 + 5327^2 .

It is a cyclic number.

It is not a de Polignac number, because 140144113 - 2¹ = 140144111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140144111) 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, 9118 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (35044317).

Almost surely, 2^140144113 is an apocalyptic number.

It is an amenable number.

140144113 is a deficient number, since it is larger than the sum of its proper divisors (33155).

140144113 is an equidigital number, since it uses as much as digits as its factorization.

140144113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33154.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140144113 is about 11838.2478855614. The cubic root of 140144113 is about 519.4275171579.

Adding to 140144113 its reverse (311441041), we get a palindrome (451585154).

The spelling of 140144113 in words is "one hundred forty million, one hundred forty-four thousand, one hundred thirteen".