1143531134 has 16 divisors (see below), whose sum is σ = 1726306560. Its totient is φ = 568103040.

The previous prime is 1143531079. The next prime is 1143531199. The reversal of 1143531134 is 4311353411.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546362 + ... + 548450.

It is an arithmetic number, because the mean of its divisors is an integer number (107894160).

Almost surely, 2^1143531134 is an apocalyptic number.

1143531134 is a deficient number, since it is larger than the sum of its proper divisors (582775426).

1143531134 is a wasteful number, since it uses less digits than its factorization.

1143531134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its digits is 2160, while the sum is 26.

The square root of 1143531134 is about 33816.1371833035. The cubic root of 1143531134 is about 1045.7214050629.

Adding to 1143531134 its reverse (4311353411), we get a palindrome (5454884545).

The spelling of 1143531134 in words is "one billion, one hundred forty-three million, five hundred thirty-one thousand, one hundred thirty-four".