1134543231 has 12 divisors (see below), whose sum is σ = 1639609608. Its totient is φ = 755981424.

The previous prime is 1134543187. The next prime is 1134543233. The reversal of 1134543231 is 1323454311.

It is a happy number.

1134543231 is a `hidden beast` number, since 113 + 4 + 543 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 1134543231 - 2⁶ = 1134543167 is a prime.

It is a super-2 number, since 2×1134543231² = 2574376686015838722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1134543195 and 1134543204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134543233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12225 + ... + 49178.

It is an arithmetic number, because the mean of its divisors is an integer number (136634134).

Almost surely, 2^1134543231 is an apocalyptic number.

1134543231 is a deficient number, since it is larger than the sum of its proper divisors (505066377).

1134543231 is a wasteful number, since it uses less digits than its factorization.

1134543231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63462 (or 63459 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1134543231 is about 33682.9813258862. The cubic root of 1134543231 is about 1042.9744823539.

Adding to 1134543231 its reverse (1323454311), we get a palindrome (2457997542).

The spelling of 1134543231 in words is "one billion, one hundred thirty-four million, five hundred forty-three thousand, two hundred thirty-one".