135320345 has 8 divisors (see below), whose sum is σ = 162461376. Its totient is φ = 108204976.

The previous prime is 135320333. The next prime is 135320347. The reversal of 135320345 is 543023531.

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 135320345 - 2⁶ = 135320281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135320347) 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, 8234 + ... + 18396.

It is an arithmetic number, because the mean of its divisors is an integer number (20307672).

Almost surely, 2^135320345 is an apocalyptic number.

It is an amenable number.

135320345 is a deficient number, since it is larger than the sum of its proper divisors (27141031).

135320345 is a wasteful number, since it uses less digits than its factorization.

135320345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 135320345 is about 11632.7273242348. The cubic root of 135320345 is about 513.3982281013.

Adding to 135320345 its reverse (543023531), we get a palindrome (678343876).

The spelling of 135320345 in words is "one hundred thirty-five million, three hundred twenty thousand, three hundred forty-five".