135403003 has 4 divisors (see below), whose sum is σ = 135999720. Its totient is φ = 134806288.

The previous prime is 135402973. The next prime is 135403013. The reversal of 135403003 is 300304531.

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 135403003 - 2¹³ = 135394811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135403013) 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, 298018 + ... + 298471.

It is an arithmetic number, because the mean of its divisors is an integer number (33999930).

Almost surely, 2^135403003 is an apocalyptic number.

135403003 is a deficient number, since it is larger than the sum of its proper divisors (596717).

135403003 is an equidigital number, since it uses as much as digits as its factorization.

135403003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596716.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 135403003 is about 11636.2796030346. The cubic root of 135403003 is about 513.5027401837.

Adding to 135403003 its reverse (300304531), we get a palindrome (435707534).

The spelling of 135403003 in words is "one hundred thirty-five million, four hundred three thousand, three".