140143440251 has 2 divisors, whose sum is σ = 140143440252. Its totient is φ = 140143440250.

The previous prime is 140143440187. The next prime is 140143440329. The reversal of 140143440251 is 152044341041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140143440251 - 2⁶ = 140143440187 is a prime.

It is not a weakly prime, because it can be changed into another prime (140143440851) 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, 70071720125 + 70071720126.

It is an arithmetic number, because the mean of its divisors is an integer number (70071720126).

Almost surely, 2^140143440251 is an apocalyptic number.

140143440251 is a deficient number, since it is larger than the sum of its proper divisors (1).

140143440251 is an equidigital number, since it uses as much as digits as its factorization.

140143440251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 140143440251 its reverse (152044341041), we get a palindrome (292187781292).

The spelling of 140143440251 in words is "one hundred forty billion, one hundred forty-three million, four hundred forty thousand, two hundred fifty-one".