1134440687 has 2 divisors, whose sum is σ = 1134440688. Its totient is φ = 1134440686.

The previous prime is 1134440677. The next prime is 1134440701. The reversal of 1134440687 is 7860444311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134440687 is a prime.

It is a super-4 number, since 4×1134440687⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1134440687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134440677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567220343 + 567220344.

It is an arithmetic number, because the mean of its divisors is an integer number (567220344).

Almost surely, 2^1134440687 is an apocalyptic number.

1134440687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134440687 is an equidigital number, since it uses as much as digits as its factorization.

1134440687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1134440687 is about 33681.4590984417. The cubic root of 1134440687 is about 1042.9430588421.

Adding to 1134440687 its reverse (7860444311), we get a palindrome (8994884998).

The spelling of 1134440687 in words is "one billion, one hundred thirty-four million, four hundred forty thousand, six hundred eighty-seven".