140415241 has 2 divisors, whose sum is σ = 140415242. Its totient is φ = 140415240.

The previous prime is 140415239. The next prime is 140415251. The reversal of 140415241 is 142514041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139925241 + 490000 = 11829^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 140415241 - 2¹ = 140415239 is a prime.

Together with 140415239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140415251) 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, 70207620 + 70207621.

It is an arithmetic number, because the mean of its divisors is an integer number (70207621).

Almost surely, 2^140415241 is an apocalyptic number.

It is an amenable number.

140415241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140415241 is an equidigital number, since it uses as much as digits as its factorization.

140415241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 140415241 is about 11849.6937091218. The cubic root of 140415241 is about 519.7622692907.

Adding to 140415241 its reverse (142514041), we get a palindrome (282929282).

The spelling of 140415241 in words is "one hundred forty million, four hundred fifteen thousand, two hundred forty-one".