134331444641 has 2 divisors, whose sum is σ = 134331444642. Its totient is φ = 134331444640.

The previous prime is 134331444613. The next prime is 134331444661. The reversal of 134331444641 is 146444133431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126110214400 + 8221230241 = 355120^2 + 90671^2 .

It is an emirp because it is prime and its reverse (146444133431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134331444641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134331444595 and 134331444604.

It is not a weakly prime, because it can be changed into another prime (134331444661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67165722320 + 67165722321.

It is an arithmetic number, because the mean of its divisors is an integer number (67165722321).

Almost surely, 2^134331444641 is an apocalyptic number.

It is an amenable number.

134331444641 is a deficient number, since it is larger than the sum of its proper divisors (1).

134331444641 is an equidigital number, since it uses as much as digits as its factorization.

134331444641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 38.

The spelling of 134331444641 in words is "one hundred thirty-four billion, three hundred thirty-one million, four hundred forty-four thousand, six hundred forty-one".