135225205343 has 4 divisors (see below), whose sum is σ = 135411210480. Its totient is φ = 135039200208.

The previous prime is 135225205337. The next prime is 135225205351. The reversal of 135225205343 is 343502522531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343502522531 = 7 ⋅49071788933.

It is a cyclic number.

It is not a de Polignac number, because 135225205343 - 2⁴ = 135225205327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135225205333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93001478 + ... + 93002931.

It is an arithmetic number, because the mean of its divisors is an integer number (33852802620).

Almost surely, 2^135225205343 is an apocalyptic number.

135225205343 is a deficient number, since it is larger than the sum of its proper divisors (186005137).

135225205343 is an equidigital number, since it uses as much as digits as its factorization.

135225205343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186005136.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 135225205343 its reverse (343502522531), we get a palindrome (478727727874).

The spelling of 135225205343 in words is "one hundred thirty-five billion, two hundred twenty-five million, two hundred five thousand, three hundred forty-three".