134444202397 has 2 divisors, whose sum is σ = 134444202398. Its totient is φ = 134444202396.

The previous prime is 134444202383. The next prime is 134444202421. The reversal of 134444202397 is 793202444431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131503417956 + 2940784441 = 362634^2 + 54229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134444202397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134444202307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222101198 + 67222101199.

It is an arithmetic number, because the mean of its divisors is an integer number (67222101199).

Almost surely, 2^134444202397 is an apocalyptic number.

It is an amenable number.

134444202397 is a deficient number, since it is larger than the sum of its proper divisors (1).

134444202397 is an equidigital number, since it uses as much as digits as its factorization.

134444202397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 134444202397 in words is "one hundred thirty-four billion, four hundred forty-four million, two hundred two thousand, three hundred ninety-seven".