135503507 has 4 divisors (see below), whose sum is σ = 136031016. Its totient is φ = 134976000.

The previous prime is 135503503. The next prime is 135503521. The reversal of 135503507 is 705305531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135503507 - 2² = 135503503 is a prime.

It is a super-2 number, since 2×135503507² = 36722400818598098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135503507.

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

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 3 ways as a sum of consecutive naturals, for example, 263369 + ... + 263882.

It is an arithmetic number, because the mean of its divisors is an integer number (34007754).

Almost surely, 2^135503507 is an apocalyptic number.

135503507 is a deficient number, since it is larger than the sum of its proper divisors (527509).

135503507 is an equidigital number, since it uses as much as digits as its factorization.

135503507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527508.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 135503507 is about 11640.5973643967. The cubic root of 135503507 is about 513.6297593153.

The spelling of 135503507 in words is "one hundred thirty-five million, five hundred three thousand, five hundred seven".