140381263447 has 2 divisors, whose sum is σ = 140381263448. Its totient is φ = 140381263446.

The previous prime is 140381263441. The next prime is 140381263453. The reversal of 140381263447 is 744362183041.

It is a balanced prime because it is at equal distance from previous prime (140381263441) and next prime (140381263453).

It is a cyclic number.

It is not a de Polignac number, because 140381263447 - 2¹¹ = 140381261399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140381263441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70190631723 + 70190631724.

It is an arithmetic number, because the mean of its divisors is an integer number (70190631724).

Almost surely, 2^140381263447 is an apocalyptic number.

140381263447 is a deficient number, since it is larger than the sum of its proper divisors (1).

140381263447 is an equidigital number, since it uses as much as digits as its factorization.

140381263447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 140381263447 in words is "one hundred forty billion, three hundred eighty-one million, two hundred sixty-three thousand, four hundred forty-seven".