135622303 has 4 divisors (see below), whose sum is σ = 139997248. Its totient is φ = 131247360.

The previous prime is 135622229. The next prime is 135622309. The reversal of 135622303 is 303226531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303226531 = 31 ⋅9781501.

It is a cyclic number.

It is not a de Polignac number, because 135622303 - 2¹⁷ = 135491231 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 (135622309) 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, 2187426 + ... + 2187487.

It is an arithmetic number, because the mean of its divisors is an integer number (34999312).

Almost surely, 2^135622303 is an apocalyptic number.

135622303 is a deficient number, since it is larger than the sum of its proper divisors (4374945).

135622303 is an equidigital number, since it uses as much as digits as its factorization.

135622303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374944.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 135622303 is about 11645.6989056046. The cubic root of 135622303 is about 513.7798153044.

Adding to 135622303 its reverse (303226531), we get a palindrome (438848834).

The spelling of 135622303 in words is "one hundred thirty-five million, six hundred twenty-two thousand, three hundred three".