135503505 has 12 divisors (see below), whose sum is σ = 234872820. Its totient is φ = 72268512.

The previous prime is 135503503. The next prime is 135503521. The reversal of 135503505 is 505305531.

It can be written as a sum of positive squares in 2 ways, for example, as 31708161 + 103795344 = 5631^2 + 10188^2 .

It is not a de Polignac number, because 135503505 - 2¹ = 135503503 is a prime.

It is a super-2 number, since 2×135503505² = 36722399734570050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135503503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1505550 + ... + 1505639.

It is an arithmetic number, because the mean of its divisors is an integer number (19572735).

Almost surely, 2^135503505 is an apocalyptic number.

135503505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135503505 is a deficient number, since it is larger than the sum of its proper divisors (99369315).

135503505 is a wasteful number, since it uses less digits than its factorization.

135503505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011200 (or 3011197 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 135503505 is about 11640.5972784905. The cubic root of 135503505 is about 513.6297567883.

The spelling of 135503505 in words is "one hundred thirty-five million, five hundred three thousand, five hundred five".