140565041 has 2 divisors, whose sum is σ = 140565042. Its totient is φ = 140565040.

The previous prime is 140565011. The next prime is 140565049.

140565041 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 18241441 = 11060^2 + 4271^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140565041 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140565041.

It is not a weakly prime, because it can be changed into another prime (140565049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70282520 + 70282521.

It is an arithmetic number, because the mean of its divisors is an integer number (70282521).

Almost surely, 2^140565041 is an apocalyptic number.

It is an amenable number.

140565041 is a deficient number, since it is larger than the sum of its proper divisors (1).

140565041 is an equidigital number, since it uses as much as digits as its factorization.

140565041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140565041 is about 11856.0128626786. The cubic root of 140565041 is about 519.9470372587.

The spelling of 140565041 in words is "one hundred forty million, five hundred sixty-five thousand, forty-one".