1134443987 has 8 divisors (see below), whose sum is σ = 1146847680. Its totient is φ = 1122076800.

The previous prime is 1134443971. The next prime is 1134443993. The reversal of 1134443987 is 7893444311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1134443987 - 2⁴ = 1134443971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134440987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55862 + ... + 73412.

It is an arithmetic number, because the mean of its divisors is an integer number (143355960).

Almost surely, 2^1134443987 is an apocalyptic number.

1134443987 is a deficient number, since it is larger than the sum of its proper divisors (12403693).

1134443987 is a wasteful number, since it uses less digits than its factorization.

1134443987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18253.

The product of its digits is 290304, while the sum is 44.

The square root of 1134443987 is about 33681.5080867826. The cubic root of 1134443987 is about 1042.9440701213.

The spelling of 1134443987 in words is "one billion, one hundred thirty-four million, four hundred forty-three thousand, nine hundred eighty-seven".