1353226165 has 4 divisors (see below), whose sum is σ = 1623871404. Its totient is φ = 1082580928.

The previous prime is 1353226153. The next prime is 1353226169. The reversal of 1353226165 is 5616223531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 439615089 + 913611076 = 20967^2 + 30226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353226165 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1353226165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353226169) 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, 135322612 + ... + 135322621.

It is an arithmetic number, because the mean of its divisors is an integer number (405967851).

Almost surely, 2^1353226165 is an apocalyptic number.

It is an amenable number.

1353226165 is a deficient number, since it is larger than the sum of its proper divisors (270645239).

1353226165 is an equidigital number, since it uses as much as digits as its factorization.

1353226165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270645238.

The product of its digits is 32400, while the sum is 34.

The square root of 1353226165 is about 36786.2224888612. Note that the first 3 decimals coincide. The cubic root of 1353226165 is about 1106.0891413251.

Adding to 1353226165 its reverse (5616223531), we get a palindrome (6969449696).

The spelling of 1353226165 in words is "one billion, three hundred fifty-three million, two hundred twenty-six thousand, one hundred sixty-five".