1355134223 has 2 divisors, whose sum is σ = 1355134224. Its totient is φ = 1355134222.

The previous prime is 1355134219. The next prime is 1355134237. The reversal of 1355134223 is 3224315531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355134223 - 2² = 1355134219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355134273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677567111 + 677567112.

It is an arithmetic number, because the mean of its divisors is an integer number (677567112).

Almost surely, 2^1355134223 is an apocalyptic number.

1355134223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355134223 is an equidigital number, since it uses as much as digits as its factorization.

1355134223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 1355134223 is about 36812.1477640194. The cubic root of 1355134223 is about 1106.6087615567.

Adding to 1355134223 its reverse (3224315531), we get a palindrome (4579449754).

It can be divided in two parts, 13551 and 34223, that added together give a palindrome (47774).

The spelling of 1355134223 in words is "one billion, three hundred fifty-five million, one hundred thirty-four thousand, two hundred twenty-three".