1342642036129 has 2 divisors, whose sum is σ = 1342642036130. Its totient is φ = 1342642036128.

The previous prime is 1342642036093. The next prime is 1342642036187. The reversal of 1342642036129 is 9216302462431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1300222514529 + 42419521600 = 1140273^2 + 205960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342642036129 - 2¹¹ = 1342642034081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342642076129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671321018064 + 671321018065.

It is an arithmetic number, because the mean of its divisors is an integer number (671321018065).

Almost surely, 2^{1342642036129} is an apocalyptic number.

It is an amenable number.

1342642036129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342642036129 is an equidigital number, since it uses as much as digits as its factorization.

1342642036129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 1342642036129 in words is "one trillion, three hundred forty-two billion, six hundred forty-two million, thirty-six thousand, one hundred twenty-nine".