140442657263 has 2 divisors, whose sum is σ = 140442657264. Its totient is φ = 140442657262.

The previous prime is 140442657233. The next prime is 140442657307. The reversal of 140442657263 is 362756244041.

It is an a-pointer prime, because the next prime (140442657307) can be obtained adding 140442657263 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140442657263 - 2¹⁶ = 140442591727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140442657203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221328631 + 70221328632.

It is an arithmetic number, because the mean of its divisors is an integer number (70221328632).

Almost surely, 2^140442657263 is an apocalyptic number.

140442657263 is a deficient number, since it is larger than the sum of its proper divisors (1).

140442657263 is an equidigital number, since it uses as much as digits as its factorization.

140442657263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 140442657263 in words is "one hundred forty billion, four hundred forty-two million, six hundred fifty-seven thousand, two hundred sixty-three".