135353015203 has 4 divisors (see below), whose sum is σ = 154689160240. Its totient is φ = 116016870168.

The previous prime is 135353015201. The next prime is 135353015227. The reversal of 135353015203 is 302510353531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302510353531 = 31 ⋅9758398501.

It is a cyclic number.

It is not a de Polignac number, because 135353015203 - 2¹ = 135353015201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135353015201) 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, 9668072508 + ... + 9668072521.

It is an arithmetic number, because the mean of its divisors is an integer number (38672290060).

Almost surely, 2^135353015203 is an apocalyptic number.

135353015203 is a deficient number, since it is larger than the sum of its proper divisors (19336145037).

135353015203 is an equidigital number, since it uses as much as digits as its factorization.

135353015203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19336145036.

The product of its (nonzero) digits is 20250, while the sum is 31.

Adding to 135353015203 its reverse (302510353531), we get a palindrome (437863368734).

The spelling of 135353015203 in words is "one hundred thirty-five billion, three hundred fifty-three million, fifteen thousand, two hundred three".