1134651987 has 36 divisors (see below), whose sum is σ = 1968048576. Its totient is φ = 627449760.

The previous prime is 1134651977. The next prime is 1134651989. The reversal of 1134651987 is 7891564311.

1134651987 is a `hidden beast` number, since 1 + 13 + 46 + 519 + 87 = 666.

It is not a de Polignac number, because 1134651987 - 2¹¹ = 1134649939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1134651989) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27828 + ... + 55169.

It is an arithmetic number, because the mean of its divisors is an integer number (54668016).

Almost surely, 2^1134651987 is an apocalyptic number.

1134651987 is a deficient number, since it is larger than the sum of its proper divisors (833396589).

1134651987 is a wasteful number, since it uses less digits than its factorization.

1134651987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83048 (or 83038 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 1134651987 is about 33684.5956929870. The cubic root of 1134651987 is about 1043.0078073977.

The spelling of 1134651987 in words is "one billion, one hundred thirty-four million, six hundred fifty-one thousand, nine hundred eighty-seven".