135544505 has 8 divisors (see below), whose sum is σ = 167049672. Its totient is φ = 105504768.

The previous prime is 135544469. The next prime is 135544523. The reversal of 135544505 is 505445531.

It can be written as a sum of positive squares in 4 ways, for example, as 54346384 + 81198121 = 7372^2 + 9011^2 .

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 135544505 - 2⁶ = 135544441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366152 + ... + 366521.

It is an arithmetic number, because the mean of its divisors is an integer number (20881209).

Almost surely, 2^135544505 is an apocalyptic number.

It is an amenable number.

135544505 is a deficient number, since it is larger than the sum of its proper divisors (31505167).

135544505 is an equidigital number, since it uses as much as digits as its factorization.

135544505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732715.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 135544505 is about 11642.3582233154. The cubic root of 135544505 is about 513.6815554396.

The spelling of 135544505 in words is "one hundred thirty-five million, five hundred forty-four thousand, five hundred five".