134323526321 has 8 divisors (see below), whose sum is σ = 136864610280. Its totient is φ = 131782689792.

The previous prime is 134323526299. The next prime is 134323526333. The reversal of 134323526321 is 123625323431.

It can be written as a sum of positive squares in 4 ways, for example, as 1853733025 + 132469793296 = 43055^2 + 363964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134323526321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134323526921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325585 + ... + 1423313.

It is an arithmetic number, because the mean of its divisors is an integer number (17108076285).

Almost surely, 2^134323526321 is an apocalyptic number.

It is an amenable number.

134323526321 is a deficient number, since it is larger than the sum of its proper divisors (2541083959).

134323526321 is an equidigital number, since it uses as much as digits as its factorization.

134323526321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123715.

The product of its digits is 77760, while the sum is 35.

Adding to 134323526321 its reverse (123625323431), we get a palindrome (257948849752).

The spelling of 134323526321 in words is "one hundred thirty-four billion, three hundred twenty-three million, five hundred twenty-six thousand, three hundred twenty-one".