134535130321 has 2 divisors, whose sum is σ = 134535130322. Its totient is φ = 134535130320.

The previous prime is 134535130319. The next prime is 134535130333. The reversal of 134535130321 is 123031535431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110912977296 + 23622153025 = 333036^2 + 153695^2 .

It is a cyclic number.

It is not a de Polignac number, because 134535130321 - 2¹ = 134535130319 is a prime.

Together with 134535130319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134535130721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67267565160 + 67267565161.

It is an arithmetic number, because the mean of its divisors is an integer number (67267565161).

Almost surely, 2^134535130321 is an apocalyptic number.

It is an amenable number.

134535130321 is a deficient number, since it is larger than the sum of its proper divisors (1).

134535130321 is an equidigital number, since it uses as much as digits as its factorization.

134535130321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 134535130321 its reverse (123031535431), we get a palindrome (257566665752).

The spelling of 134535130321 in words is "one hundred thirty-four billion, five hundred thirty-five million, one hundred thirty thousand, three hundred twenty-one".