1131005133 has 64 divisors (see below), whose sum is σ = 1798732800. Its totient is φ = 701084160.

The previous prime is 1131005129. The next prime is 1131005143. The reversal of 1131005133 is 3315001311.

It is not a de Polignac number, because 1131005133 - 2² = 1131005129 is a prime.

It is a super-2 number, since 2×1131005133² = 2558345221744695378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131005143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2686263 + ... + 2686683.

It is an arithmetic number, because the mean of its divisors is an integer number (28105200).

Almost surely, 2^1131005133 is an apocalyptic number.

It is an amenable number.

1131005133 is a deficient number, since it is larger than the sum of its proper divisors (667727667).

1131005133 is a wasteful number, since it uses less digits than its factorization.

1131005133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1131005133 is about 33630.4197565240. The cubic root of 1131005133 is about 1041.8891737696.

Adding to 1131005133 its reverse (3315001311), we get a palindrome (4446006444).

The spelling of 1131005133 in words is "one billion, one hundred thirty-one million, five thousand, one hundred thirty-three".