135728603 has 6 divisors (see below), whose sum is σ = 136247172. Its totient is φ = 135211580.

The previous prime is 135728563. The next prime is 135728623. The reversal of 135728603 is 306827531.

135728603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135728603 - 2¹⁴ = 135712219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135728623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240800 + ... + 241362.

It is an arithmetic number, because the mean of its divisors is an integer number (22707862).

Almost surely, 2^135728603 is an apocalyptic number.

135728603 is a deficient number, since it is larger than the sum of its proper divisors (518569).

135728603 is an frugal number, since it uses more digits than its factorization.

135728603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 135728603 is about 11650.2619283860. The cubic root of 135728603 is about 513.9140128281.

The spelling of 135728603 in words is "one hundred thirty-five million, seven hundred twenty-eight thousand, six hundred three".