135353503 has 4 divisors (see below), whose sum is σ = 135442768. Its totient is φ = 135264240.

The previous prime is 135353501. The next prime is 135353521. The reversal of 135353503 is 305353531.

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 135353503 - 2¹ = 135353501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135353501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42318 + ... + 45403.

It is an arithmetic number, because the mean of its divisors is an integer number (33860692).

Almost surely, 2^135353503 is an apocalyptic number.

135353503 is a deficient number, since it is larger than the sum of its proper divisors (89265).

135353503 is an equidigital number, since it uses as much as digits as its factorization.

135353503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89264.

The product of its (nonzero) digits is 10125, while the sum is 28.

The square root of 135353503 is about 11634.1524401221. The cubic root of 135353503 is about 513.4401579092.

Adding to 135353503 its sum of digits (28), we get a palindrome (135353531).

The spelling of 135353503 in words is "one hundred thirty-five million, three hundred fifty-three thousand, five hundred three".