1355134143 has 16 divisors (see below), whose sum is σ = 1972774656. Its totient is φ = 820597440.

The previous prime is 1355134133. The next prime is 1355134159. The reversal of 1355134143 is 3414315531.

It is not a de Polignac number, because 1355134143 - 2⁸ = 1355133887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355134143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355134133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23571 + ... + 57147.

It is an arithmetic number, because the mean of its divisors is an integer number (123298416).

Almost surely, 2^1355134143 is an apocalyptic number.

1355134143 is a deficient number, since it is larger than the sum of its proper divisors (617640513).

1355134143 is a wasteful number, since it uses less digits than its factorization.

1355134143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34814.

The product of its digits is 10800, while the sum is 30.

The square root of 1355134143 is about 36812.1466774216. The cubic root of 1355134143 is about 1106.6087397806.

Adding to 1355134143 its reverse (3414315531), we get a palindrome (4769449674).

It can be divided in two parts, 135513 and 4143, that added together give a triangular number (139656 = T₅₂₈).

The spelling of 1355134143 in words is "one billion, three hundred fifty-five million, one hundred thirty-four thousand, one hundred forty-three".