140344120429 has 2 divisors, whose sum is σ = 140344120430. Its totient is φ = 140344120428.

The previous prime is 140344120403. The next prime is 140344120453. The reversal of 140344120429 is 924021443041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103404049225 + 36940071204 = 321565^2 + 192198^2 .

It is a cyclic number.

It is not a de Polignac number, because 140344120429 - 2¹¹ = 140344118381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140344120394 and 140344120403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140344120129) 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, 70172060214 + 70172060215.

It is an arithmetic number, because the mean of its divisors is an integer number (70172060215).

Almost surely, 2^140344120429 is an apocalyptic number.

It is an amenable number.

140344120429 is a deficient number, since it is larger than the sum of its proper divisors (1).

140344120429 is an equidigital number, since it uses as much as digits as its factorization.

140344120429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 140344120429 in words is "one hundred forty billion, three hundred forty-four million, one hundred twenty thousand, four hundred twenty-nine".