140849 has 4 divisors (see below), whose sum is σ = 143220. Its totient is φ = 138480.

The previous prime is 140839. The next prime is 140863. The reversal of 140849 is 948041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53824 + 87025 = 232^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 140849 - 2⁸ = 140593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (35805).

2¹⁴⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

140849 is a deficient number, since it is larger than the sum of its proper divisors (2371).

140849 is an equidigital number, since it uses as much as digits as its factorization.

140849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140849 is about 375.2985478256. The cubic root of 140849 is about 52.0296921155.

It can be divided in two parts, 14084 and 9, that multiplied together give a triangular number (126756 = T₅₀₃).

The spelling of 140849 in words is "one hundred forty thousand, eight hundred forty-nine".