140263406533 has 2 divisors, whose sum is σ = 140263406534. Its totient is φ = 140263406532.

The previous prime is 140263406531. The next prime is 140263406579. The reversal of 140263406533 is 335604362041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135036405729 + 5227000804 = 367473^2 + 72298^2 .

It is a cyclic number.

It is not a de Polignac number, because 140263406533 - 2¹ = 140263406531 is a prime.

Together with 140263406531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 140263406492 and 140263406501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140263406531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70131703266 + 70131703267.

It is an arithmetic number, because the mean of its divisors is an integer number (70131703267).

Almost surely, 2^140263406533 is an apocalyptic number.

It is an amenable number.

140263406533 is a deficient number, since it is larger than the sum of its proper divisors (1).

140263406533 is an equidigital number, since it uses as much as digits as its factorization.

140263406533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 140263406533 its reverse (335604362041), we get a palindrome (475867768574).

The spelling of 140263406533 in words is "one hundred forty billion, two hundred sixty-three million, four hundred six thousand, five hundred thirty-three".