135222404403 has 4 divisors (see below), whose sum is σ = 180296539208. Its totient is φ = 90148269600.

The previous prime is 135222404363. The next prime is 135222404419. The reversal of 135222404403 is 304404222531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135222404403 - 2²⁴ = 135205627187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135222404803) 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, 22537067398 + ... + 22537067403.

It is an arithmetic number, because the mean of its divisors is an integer number (45074134802).

Almost surely, 2^135222404403 is an apocalyptic number.

135222404403 is a deficient number, since it is larger than the sum of its proper divisors (45074134805).

135222404403 is an equidigital number, since it uses as much as digits as its factorization.

135222404403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45074134804.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 135222404403 its reverse (304404222531), we get a palindrome (439626626934).

The spelling of 135222404403 in words is "one hundred thirty-five billion, two hundred twenty-two million, four hundred four thousand, four hundred three".