140231 has 16 divisors (see below), whose sum is σ = 182784. Its totient is φ = 104544.

The previous prime is 140227. The next prime is 140237. The reversal of 140231 is 132041.

It is a happy number.

140231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140231 - 2² = 140227 is a prime.

It is a super-2 number, since 2×140231² = 39329466722, which contains 22 as substring.

140231 is a modest number, since divided by 231 gives 14 as remainder.

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 140231.

It is not an unprimeable number, because it can be changed into a prime (140237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (11424).

2¹⁴⁰²³¹ is an apocalyptic number.

140231 is a deficient number, since it is larger than the sum of its proper divisors (42553).

140231 is a wasteful number, since it uses less digits than its factorization.

140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 140231 is about 374.4742981835. The cubic root of 140231 is about 51.9534840432.

Adding to 140231 its reverse (132041), we get a palindrome (272272).

The spelling of 140231 in words is "one hundred forty thousand, two hundred thirty-one".