140440340431043 has 2 divisors, whose sum is σ = 140440340431044. Its totient is φ = 140440340431042.

The previous prime is 140440340430937. The next prime is 140440340431073. The reversal of 140440340431043 is 340134043044041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140440340431043 - 2²⁶ = 140440273322179 is a prime.

It is a super-2 number, since 2×140440340431043² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 140440340430994 and 140440340431012.

It is not a weakly prime, because it can be changed into another prime (140440340431073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70220170215521 + 70220170215522.

It is an arithmetic number, because the mean of its divisors is an integer number (70220170215522).

Almost surely, 2^{140440340431043} is an apocalyptic number.

140440340431043 is a deficient number, since it is larger than the sum of its proper divisors (1).

140440340431043 is an equidigital number, since it uses as much as digits as its factorization.

140440340431043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140440340431043 its reverse (340134043044041), we get a palindrome (480574383475084).

The spelling of 140440340431043 in words is "one hundred forty trillion, four hundred forty billion, three hundred forty million, four hundred thirty-one thousand, forty-three".