140141 has 4 divisors (see below), whose sum is σ = 140892. Its totient is φ = 139392.

The previous prime is 140123. The next prime is 140143. The reversal of 140141 is 141041.

140141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 75625 + 64516 = 275^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 140141 - 2¹⁴ = 123757 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140141.

It is not an unprimeable number, because it can be changed into a prime (140143) 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, 155 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (35223).

2¹⁴⁰¹⁴¹ is an apocalyptic number.

It is an amenable number.

140141 is a deficient number, since it is larger than the sum of its proper divisors (751).

140141 is an equidigital number, since it uses as much as digits as its factorization.

140141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 140141 is about 374.3541104356. The cubic root of 140141 is about 51.9423671141.

Adding to 140141 its reverse (141041), we get a palindrome (281182).

Subtracting 140141 from its reverse (141041), we obtain a square (900 = 30²).

The spelling of 140141 in words is "one hundred forty thousand, one hundred forty-one", and thus it is an iban number.