1161134133 has 16 divisors (see below), whose sum is σ = 1560975360. Its totient is φ = 767712816.

The previous prime is 1161134059. The next prime is 1161134159. The reversal of 1161134133 is 3314311611.

It is not a de Polignac number, because 1161134133 - 2⁸ = 1161133877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161134173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241608 + ... + 246366.

It is an arithmetic number, because the mean of its divisors is an integer number (97560960).

Almost surely, 2^1161134133 is an apocalyptic number.

It is an amenable number.

1161134133 is a deficient number, since it is larger than the sum of its proper divisors (399841227).

1161134133 is a wasteful number, since it uses less digits than its factorization.

1161134133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416.

The product of its digits is 648, while the sum is 24.

The square root of 1161134133 is about 34075.4183099782. The cubic root of 1161134133 is about 1051.0598921209.

Adding to 1161134133 its reverse (3314311611), we get a palindrome (4475445744).

The spelling of 1161134133 in words is "one billion, one hundred sixty-one million, one hundred thirty-four thousand, one hundred thirty-three".