136005303 has 16 divisors (see below), whose sum is σ = 212848640. Its totient is φ = 75616416.

The previous prime is 136005293. The next prime is 136005307. The reversal of 136005303 is 303500631.

136005303 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 136005303 - 2⁵ = 136005271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 136005303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136005307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86743 + ... + 88296.

It is an arithmetic number, because the mean of its divisors is an integer number (13303040).

Almost surely, 2^136005303 is an apocalyptic number.

136005303 is a deficient number, since it is larger than the sum of its proper divisors (76843337).

136005303 is a wasteful number, since it uses less digits than its factorization.

136005303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175086.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 136005303 is about 11662.1311517235. The cubic root of 136005303 is about 514.2630021165.

Adding to 136005303 its reverse (303500631), we get a palindrome (439505934).

The spelling of 136005303 in words is "one hundred thirty-six million, five thousand, three hundred three".