135323163 has 8 divisors (see below), whose sum is σ = 200478800. Its totient is φ = 90215424.

The previous prime is 135323147. The next prime is 135323189. The reversal of 135323163 is 361323531.

It is a happy number.

It is not a de Polignac number, because 135323163 - 2⁴ = 135323147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5011969 = 135323163 / (1 + 3 + 5 + 3 + 2 + 3 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135323063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505958 + ... + 2506011.

It is an arithmetic number, because the mean of its divisors is an integer number (25059850).

Almost surely, 2^135323163 is an apocalyptic number.

135323163 is a deficient number, since it is larger than the sum of its proper divisors (65155637).

135323163 is an equidigital number, since it uses as much as digits as its factorization.

135323163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011978 (or 5011972 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 135323163 is about 11632.8484473924. The cubic root of 135323163 is about 513.4017918575.

Adding to 135323163 its reverse (361323531), we get a palindrome (496646694).

The spelling of 135323163 in words is "one hundred thirty-five million, three hundred twenty-three thousand, one hundred sixty-three".