1133531452 has 12 divisors (see below), whose sum is σ = 1984580136. Its totient is φ = 566508560.

The previous prime is 1133531449. The next prime is 1133531459. The reversal of 1133531452 is 2541353311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133531452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133531459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54199 + ... + 72142.

It is an arithmetic number, because the mean of its divisors is an integer number (165381678).

Almost surely, 2^1133531452 is an apocalyptic number.

It is an amenable number.

1133531452 is a deficient number, since it is larger than the sum of its proper divisors (851048684).

1133531452 is a wasteful number, since it uses less digits than its factorization.

1133531452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128588 (or 128586 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1133531452 is about 33667.9588332884. The cubic root of 1133531452 is about 1042.6643506354.

Adding to 1133531452 its reverse (2541353311), we get a palindrome (3674884763).

The spelling of 1133531452 in words is "one billion, one hundred thirty-three million, five hundred thirty-one thousand, four hundred fifty-two".