134444203009 has 2 divisors, whose sum is σ = 134444203010. Its totient is φ = 134444203008.

The previous prime is 134444202989. The next prime is 134444203067. The reversal of 134444203009 is 900302444431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104548755600 + 29895447409 = 323340^2 + 172903^2 .

It is a cyclic number.

It is not a de Polignac number, because 134444203009 - 2²¹ = 134442105857 is a prime.

It is not a weakly prime, because it can be changed into another prime (134444203109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222101504 + 67222101505.

It is an arithmetic number, because the mean of its divisors is an integer number (67222101505).

Almost surely, 2^134444203009 is an apocalyptic number.

It is an amenable number.

134444203009 is a deficient number, since it is larger than the sum of its proper divisors (1).

134444203009 is an equidigital number, since it uses as much as digits as its factorization.

134444203009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 134444203009 in words is "one hundred thirty-four billion, four hundred forty-four million, two hundred three thousand, nine".