142755642670129 has 2 divisors, whose sum is σ = 142755642670130. Its totient is φ = 142755642670128.

The previous prime is 142755642670097. The next prime is 142755642670169. The reversal of 142755642670129 is 921076246557241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138379814615025 + 4375828055104 = 11763495^2 + 2091848^2 .

It is a cyclic number.

It is not a de Polignac number, because 142755642670129 - 2⁵ = 142755642670097 is a prime.

It is not a weakly prime, because it can be changed into another prime (142755642670169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71377821335064 + 71377821335065.

It is an arithmetic number, because the mean of its divisors is an integer number (71377821335065).

Almost surely, 2^{142755642670129} is an apocalyptic number.

It is an amenable number.

142755642670129 is a deficient number, since it is larger than the sum of its proper divisors (1).

142755642670129 is an equidigital number, since it uses as much as digits as its factorization.

142755642670129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 142755642670129 in words is "one hundred forty-two trillion, seven hundred fifty-five billion, six hundred forty-two million, six hundred seventy thousand, one hundred twenty-nine".