135505063 has 8 divisors (see below), whose sum is σ = 140268032. Its totient is φ = 130800096.

The previous prime is 135505039. The next prime is 135505067. The reversal of 135505063 is 360505531.

It is a happy number.

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 135505063 - 2⁵ = 135505031 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 (135505067) 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, 9720 + ... + 19117.

It is an arithmetic number, because the mean of its divisors is an integer number (17533504).

Almost surely, 2^135505063 is an apocalyptic number.

135505063 is a deficient number, since it is larger than the sum of its proper divisors (4762969).

135505063 is a wasteful number, since it uses less digits than its factorization.

135505063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29001.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 135505063 is about 11640.6641992629. The cubic root of 135505063 is about 513.6317253280.

The spelling of 135505063 in words is "one hundred thirty-five million, five hundred five thousand, sixty-three".