140041241 has 2 divisors, whose sum is σ = 140041242. Its totient is φ = 140041240.

The previous prime is 140041217. The next prime is 140041259. The reversal of 140041241 is 142140041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133171600 + 6869641 = 11540^2 + 2621^2 .

It is an emirp because it is prime and its reverse (142140041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140041241 - 2¹⁸ = 139779097 is a prime.

It is a super-2 number, since 2×140041241² = 39223098361640162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140041271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70020620 + 70020621.

It is an arithmetic number, because the mean of its divisors is an integer number (70020621).

Almost surely, 2^140041241 is an apocalyptic number.

It is an amenable number.

140041241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140041241 is an equidigital number, since it uses as much as digits as its factorization.

140041241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140041241 is about 11833.9021882049. The cubic root of 140041241 is about 519.3003917626.

Adding to 140041241 its reverse (142140041), we get a palindrome (282181282).

The spelling of 140041241 in words is "one hundred forty million, forty-one thousand, two hundred forty-one".