140761 has 2 divisors, whose sum is σ = 140762. Its totient is φ = 140760.

The previous prime is 140759. The next prime is 140773. The reversal of 140761 is 167041.

It is a happy number.

140761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 59536 = 285^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 140761 - 2¹ = 140759 is a prime.

Together with 140759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70380 + 70381.

It is an arithmetic number, because the mean of its divisors is an integer number (70381).

2¹⁴⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

140761 is a deficient number, since it is larger than the sum of its proper divisors (1).

140761 is an equidigital number, since it uses as much as digits as its factorization.

140761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 140761 is about 375.1812895122. The cubic root of 140761 is about 52.0188541098.

The spelling of 140761 in words is "one hundred forty thousand, seven hundred sixty-one".