140235241 has 2 divisors, whose sum is σ = 140235242. Its totient is φ = 140235240.

The previous prime is 140235239. The next prime is 140235247. The reversal of 140235241 is 142532041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136890000 + 3345241 = 11700^2 + 1829^2 .

It is an emirp because it is prime and its reverse (142532041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140235241 - 2¹ = 140235239 is a prime.

Together with 140235239, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140235247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70117620 + 70117621.

It is an arithmetic number, because the mean of its divisors is an integer number (70117621).

Almost surely, 2^140235241 is an apocalyptic number.

It is an amenable number.

140235241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140235241 is an equidigital number, since it uses as much as digits as its factorization.

140235241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140235241 is about 11842.0961404643. The cubic root of 140235241 is about 519.5400778019.

Adding to 140235241 its reverse (142532041), we get a palindrome (282767282).

The spelling of 140235241 in words is "one hundred forty million, two hundred thirty-five thousand, two hundred forty-one".