1132143240 has 128 divisors (see below), whose sum is σ = 3460786560. Its totient is φ = 296239104.

The previous prime is 1132143217. The next prime is 1132143251. The reversal of 1132143240 is 423412311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1961832 + ... + 1962408.

It is an arithmetic number, because the mean of its divisors is an integer number (27037395).

Almost surely, 2^1132143240 is an apocalyptic number.

1132143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132143240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1730393280).

1132143240 is an abundant number, since it is smaller than the sum of its proper divisors (2328643320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1132143240 is a wasteful number, since it uses less digits than its factorization.

1132143240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1132143240 is about 33647.3362987325. The cubic root of 1132143240 is about 1042.2385337643.

Adding to 1132143240 its reverse (423412311), we get a palindrome (1555555551).

The spelling of 1132143240 in words is "one billion, one hundred thirty-two million, one hundred forty-three thousand, two hundred forty".