1135491533 has 4 divisors (see below), whose sum is σ = 1238718048. Its totient is φ = 1032265020.

The previous prime is 1135491493. The next prime is 1135491559. The reversal of 1135491533 is 3351945311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135491533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135491493 and 1135491502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135491563) 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 3 ways as a sum of consecutive naturals, for example, 51613241 + ... + 51613262.

It is an arithmetic number, because the mean of its divisors is an integer number (309679512).

Almost surely, 2^1135491533 is an apocalyptic number.

It is an amenable number.

1135491533 is a deficient number, since it is larger than the sum of its proper divisors (103226515).

1135491533 is a wasteful number, since it uses less digits than its factorization.

1135491533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103226514.

The product of its digits is 24300, while the sum is 35.

The square root of 1135491533 is about 33697.0552570992. The cubic root of 1135491533 is about 1043.2649896767.

The spelling of 1135491533 in words is "one billion, one hundred thirty-five million, four hundred ninety-one thousand, five hundred thirty-three".