134231026217 has 2 divisors, whose sum is σ = 134231026218. Its totient is φ = 134231026216.

The previous prime is 134231026183. The next prime is 134231026309. The reversal of 134231026217 is 712620132431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98317365136 + 35913661081 = 313556^2 + 189509^2 .

It is a cyclic number.

It is not a de Polignac number, because 134231026217 - 2⁸ = 134231025961 is a prime.

It is not a weakly prime, because it can be changed into another prime (134231029217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67115513108 + 67115513109.

It is an arithmetic number, because the mean of its divisors is an integer number (67115513109).

Almost surely, 2^134231026217 is an apocalyptic number.

It is an amenable number.

134231026217 is a deficient number, since it is larger than the sum of its proper divisors (1).

134231026217 is an equidigital number, since it uses as much as digits as its factorization.

134231026217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 134231026217 its reverse (712620132431), we get a palindrome (846851158648).

The spelling of 134231026217 in words is "one hundred thirty-four billion, two hundred thirty-one million, twenty-six thousand, two hundred seventeen".