1131534073 has 2 divisors, whose sum is σ = 1131534074. Its totient is φ = 1131534072.

The previous prime is 1131534049. The next prime is 1131534097. The reversal of 1131534073 is 3704351311.

It is a balanced prime because it is at equal distance from previous prime (1131534049) and next prime (1131534097).

It can be written as a sum of positive squares in only one way, i.e., 595750464 + 535783609 = 24408^2 + 23147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131534073 - 2⁹ = 1131533561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131534023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565767036 + 565767037.

It is an arithmetic number, because the mean of its divisors is an integer number (565767037).

Almost surely, 2^1131534073 is an apocalyptic number.

It is an amenable number.

1131534073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131534073 is an equidigital number, since it uses as much as digits as its factorization.

1131534073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1131534073 is about 33638.2828485641. The cubic root of 1131534073 is about 1042.0515694284.

Adding to 1131534073 its reverse (3704351311), we get a palindrome (4835885384).

The spelling of 1131534073 in words is "one billion, one hundred thirty-one million, five hundred thirty-four thousand, seventy-three".