140244245131 has 2 divisors, whose sum is σ = 140244245132. Its totient is φ = 140244245130.

The previous prime is 140244245093. The next prime is 140244245173. The reversal of 140244245131 is 131542442041.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (131542442041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140244245131 - 2¹⁹ = 140243720843 is a prime.

It is a super-2 number, since 2×140244245131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140244245093 and 140244245102.

It is not a weakly prime, because it can be changed into another prime (140244245731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70122122565 + 70122122566.

It is an arithmetic number, because the mean of its divisors is an integer number (70122122566).

Almost surely, 2^140244245131 is an apocalyptic number.

140244245131 is a deficient number, since it is larger than the sum of its proper divisors (1).

140244245131 is an equidigital number, since it uses as much as digits as its factorization.

140244245131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 140244245131 its reverse (131542442041), we get a palindrome (271786687172).

The spelling of 140244245131 in words is "one hundred forty billion, two hundred forty-four million, two hundred forty-five thousand, one hundred thirty-one".