140941 has 4 divisors (see below), whose sum is σ = 142492. Its totient is φ = 139392.
The previous prime is 140939. The next prime is 140977. The reversal of 140941 is 149041.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 149041 = 103 ⋅1447.
It can be written as a sum of positive squares in 2 ways, for example, as 108900 + 32041 = 330^2 + 179^2 .
It is a cyclic number.
It is not a de Polignac number, because 140941 - 21 = 140939 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140741) 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, 630 + ... + 823.
It is an arithmetic number, because the mean of its divisors is an integer number (35623).
2140941 is an apocalyptic number.
It is an amenable number.
140941 is a deficient number, since it is larger than the sum of its proper divisors (1551).
140941 is an equidigital number, since it uses as much as digits as its factorization.
140941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1550.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 140941 is about 375.4210969032. The cubic root of 140941 is about 52.0410179321.
Adding to 140941 its reverse (149041), we get a palindrome (289982).
Subtracting 140941 from its reverse (149041), we obtain a square (8100 = 902).
It can be divided in two parts, 140 and 941, that added together give a triangular number (1081 = T46).
The spelling of 140941 in words is "one hundred forty thousand, nine hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •