135263633521343 has 8 divisors (see below), whose sum is σ = 135290090628000. Its totient is φ = 135237177760608.

The previous prime is 135263633521279. The next prime is 135263633521369. The reversal of 135263633521343 is 343125336362531.

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

It is a cyclic number.

It is not a de Polignac number, because 135263633521343 - 2⁶ = 135263633521279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135263633521291 and 135263633521300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135263633521043) 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, 213912758 + ... + 214544156.

It is an arithmetic number, because the mean of its divisors is an integer number (16911261328500).

Almost surely, 2^{135263633521343} is an apocalyptic number.

135263633521343 is a deficient number, since it is larger than the sum of its proper divisors (26457106657).

135263633521343 is an equidigital number, since it uses as much as digits as its factorization.

135263633521343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672961.

The product of its digits is 10497600, while the sum is 50.

Adding to 135263633521343 its reverse (343125336362531), we get a palindrome (478388969883874).

The spelling of 135263633521343 in words is "one hundred thirty-five trillion, two hundred sixty-three billion, six hundred thirty-three million, five hundred twenty-one thousand, three hundred forty-three".