1155134347 has 2 divisors, whose sum is σ = 1155134348. Its totient is φ = 1155134346.

The previous prime is 1155134263. The next prime is 1155134353. The reversal of 1155134347 is 7434315511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1155134347 - 2²³ = 1146745739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155134047) 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 as a sum of consecutive naturals, namely, 577567173 + 577567174.

It is an arithmetic number, because the mean of its divisors is an integer number (577567174).

Almost surely, 2^1155134347 is an apocalyptic number.

1155134347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155134347 is an equidigital number, since it uses as much as digits as its factorization.

1155134347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 1155134347 is about 33987.2674247283. The cubic root of 1155134347 is about 1049.2464274020.

Adding to 1155134347 its reverse (7434315511), we get a palindrome (8589449858).

The spelling of 1155134347 in words is "one billion, one hundred fifty-five million, one hundred thirty-four thousand, three hundred forty-seven".