1134990889 has 8 divisors (see below), whose sum is σ = 1147362440. Its totient is φ = 1122633216.

The previous prime is 1134990881. The next prime is 1134990917. The reversal of 1134990889 is 9880994311.

It can be written as a sum of positive squares in 4 ways, for example, as 171819664 + 963171225 = 13108^2 + 31035^2 .

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 1134990889 - 2³ = 1134990881 is a prime.

It is a super-2 number, since 2×1134990889² = 2576408636226020642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134990881) 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, 325447 + ... + 328915.

It is an arithmetic number, because the mean of its divisors is an integer number (143420305).

Almost surely, 2^1134990889 is an apocalyptic number.

It is an amenable number.

1134990889 is a deficient number, since it is larger than the sum of its proper divisors (12371551).

1134990889 is an equidigital number, since it uses as much as digits as its factorization.

1134990889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 1134990889 is about 33689.6258364500. The cubic root of 1134990889 is about 1043.1116401879. Note that the first 3 decimals are identical.

The spelling of 1134990889 in words is "one billion, one hundred thirty-four million, nine hundred ninety thousand, eight hundred eighty-nine".