135606603 has 48 divisors (see below), whose sum is σ = 213966720. Its totient is φ = 75724800.

The previous prime is 135606589. The next prime is 135606619. The reversal of 135606603 is 306606531.

It is not a de Polignac number, because 135606603 - 2¹² = 135602507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135606673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 562563 + ... + 562803.

It is an arithmetic number, because the mean of its divisors is an integer number (4457640).

Almost surely, 2^135606603 is an apocalyptic number.

135606603 is a deficient number, since it is larger than the sum of its proper divisors (78360117).

135606603 is a wasteful number, since it uses less digits than its factorization.

135606603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 135606603 is about 11645.0248174918. The cubic root of 135606603 is about 513.7599890315.

The spelling of 135606603 in words is "one hundred thirty-five million, six hundred six thousand, six hundred three".