140233 has 8 divisors (see below), whose sum is σ = 151848. Its totient is φ = 129024.
The previous prime is 140227. The next prime is 140237. The reversal of 140233 is 332041.
It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 131769 = 92^2 + 363^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 140233 - 29 = 139721 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 (140237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 1297.
It is an arithmetic number, because the mean of its divisors is an integer number (18981).
2140233 is an apocalyptic number.
It is an amenable number.
140233 is a deficient number, since it is larger than the sum of its proper divisors (11615).
140233 is a wasteful number, since it uses less digits than its factorization.
140233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 140233 is about 374.4769685842. The cubic root of 140233 is about 51.9537310320.
Adding to 140233 its reverse (332041), we get a palindrome (472274).
It can be divided in two parts, 140 and 233, that added together give a palindrome (373).
The spelling of 140233 in words is "one hundred forty thousand, two hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •