134444444447 has 2 divisors, whose sum is σ = 134444444448. Its totient is φ = 134444444446.

The previous prime is 134444444419. The next prime is 134444444489. The reversal of 134444444447 is 744444444431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134444444447 - 2⁶ = 134444444383 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134444447447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222222223 + 67222222224.

It is an arithmetic number, because the mean of its divisors is an integer number (67222222224).

Almost surely, 2^134444444447 is an apocalyptic number.

134444444447 is a deficient number, since it is larger than the sum of its proper divisors (1).

134444444447 is an equidigital number, since it uses as much as digits as its factorization.

134444444447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5505024, while the sum is 47.

Adding to 134444444447 its reverse (744444444431), we get a palindrome (878888888878).

The spelling of 134444444447 in words is "one hundred thirty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-seven".