135505528 has 8 divisors (see below), whose sum is σ = 254072880. Its totient is φ = 67752760.

The previous prime is 135505481. The next prime is 135505529. The reversal of 135505528 is 825505531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 135505493 and 135505502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135505529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469088 + ... + 8469103.

It is an arithmetic number, because the mean of its divisors is an integer number (31759110).

Almost surely, 2^135505528 is an apocalyptic number.

It is an amenable number.

135505528 is a deficient number, since it is larger than the sum of its proper divisors (118567352).

135505528 is a wasteful number, since it uses less digits than its factorization.

135505528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938197 (or 16938193 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 135505528 is about 11640.6841723328. The cubic root of 135505528 is about 513.6323128546.

The spelling of 135505528 in words is "one hundred thirty-five million, five hundred five thousand, five hundred twenty-eight".