140134442429 has 2 divisors, whose sum is σ = 140134442430. Its totient is φ = 140134442428.

The previous prime is 140134442387. The next prime is 140134442479. The reversal of 140134442429 is 924244431041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103577767225 + 36556675204 = 321835^2 + 191198^2 .

It is a cyclic number.

It is not a de Polignac number, because 140134442429 - 2²⁴ = 140117665213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140134442392 and 140134442401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140134442479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70067221214 + 70067221215.

It is an arithmetic number, because the mean of its divisors is an integer number (70067221215).

Almost surely, 2^140134442429 is an apocalyptic number.

It is an amenable number.

140134442429 is a deficient number, since it is larger than the sum of its proper divisors (1).

140134442429 is an equidigital number, since it uses as much as digits as its factorization.

140134442429 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 38.

The spelling of 140134442429 in words is "one hundred forty billion, one hundred thirty-four million, four hundred forty-two thousand, four hundred twenty-nine".