140247763 has 2 divisors, whose sum is σ = 140247764. Its totient is φ = 140247762.

The previous prime is 140247761. The next prime is 140247823. The reversal of 140247763 is 367742041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140247763 - 2¹ = 140247761 is a prime.

Together with 140247761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140247761) 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, 70123881 + 70123882.

It is an arithmetic number, because the mean of its divisors is an integer number (70123882).

Almost surely, 2^140247763 is an apocalyptic number.

140247763 is a deficient number, since it is larger than the sum of its proper divisors (1).

140247763 is an equidigital number, since it uses as much as digits as its factorization.

140247763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 140247763 is about 11842.6248357364. The cubic root of 140247763 is about 519.5555410744. Note that the first 4 decimals are identical.

The spelling of 140247763 in words is "one hundred forty million, two hundred forty-seven thousand, seven hundred sixty-three".