1134143240 has 32 divisors (see below), whose sum is σ = 2620793880. Its totient is φ = 441395712.

The previous prime is 1134143239. The next prime is 1134143261. The reversal of 1134143240 is 423414311.

It can be written as a sum of positive squares in 4 ways, for example, as 1128825604 + 5317636 = 33598^2 + 2306^2 .

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 7 ways as a sum of consecutive naturals, for example, 381677 + ... + 384636.

Almost surely, 2^1134143240 is an apocalyptic number.

1134143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134143240 is an abundant number, since it is smaller than the sum of its proper divisors (1486650640).

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

1134143240 is a wasteful number, since it uses less digits than its factorization.

1134143240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766361 (or 766357 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1134143240 is about 33677.0432193802. The cubic root of 1134143240 is about 1042.8518986770.

Adding to 1134143240 its reverse (423414311), we get a palindrome (1557557551).

The spelling of 1134143240 in words is "one billion, one hundred thirty-four million, one hundred forty-three thousand, two hundred forty".