134444225137 has 2 divisors, whose sum is σ = 134444225138. Its totient is φ = 134444225136.

The previous prime is 134444225107. The next prime is 134444225189. The reversal of 134444225137 is 731522444431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99235080256 + 35209144881 = 315016^2 + 187641^2 .

It is a cyclic number.

It is not a de Polignac number, because 134444225137 - 2²⁷ = 134310007409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134444225137.

It is not a weakly prime, because it can be changed into another prime (134444225107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222112568 + 67222112569.

It is an arithmetic number, because the mean of its divisors is an integer number (67222112569).

Almost surely, 2^134444225137 is an apocalyptic number.

It is an amenable number.

134444225137 is a deficient number, since it is larger than the sum of its proper divisors (1).

134444225137 is an equidigital number, since it uses as much as digits as its factorization.

134444225137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 40.

Adding to 134444225137 its reverse (731522444431), we get a palindrome (865966669568).

The spelling of 134444225137 in words is "one hundred thirty-four billion, four hundred forty-four million, two hundred twenty-five thousand, one hundred thirty-seven".