135145303 has 2 divisors, whose sum is σ = 135145304. Its totient is φ = 135145302.

The previous prime is 135145301. The next prime is 135145319. The reversal of 135145303 is 303541531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135145303 - 2¹ = 135145301 is a prime.

Together with 135145301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135145301) 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 as a sum of consecutive naturals, namely, 67572651 + 67572652.

It is an arithmetic number, because the mean of its divisors is an integer number (67572652).

Almost surely, 2^135145303 is an apocalyptic number.

135145303 is a deficient number, since it is larger than the sum of its proper divisors (1).

135145303 is an equidigital number, since it uses as much as digits as its factorization.

135145303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 135145303 is about 11625.2012025599. The cubic root of 135145303 is about 513.1767658888.

Adding to 135145303 its reverse (303541531), we get a palindrome (438686834).

The spelling of 135145303 in words is "one hundred thirty-five million, one hundred forty-five thousand, three hundred three".