1134409889 has 2 divisors, whose sum is σ = 1134409890. Its totient is φ = 1134409888.

The previous prime is 1134409883. The next prime is 1134409909. The reversal of 1134409889 is 9889044311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932997025 + 201412864 = 30545^2 + 14192^2 .

It is an emirp because it is prime and its reverse (9889044311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1134409889 - 2⁴ = 1134409873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1134409883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567204944 + 567204945.

It is an arithmetic number, because the mean of its divisors is an integer number (567204945).

Almost surely, 2^1134409889 is an apocalyptic number.

It is an amenable number.

1134409889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134409889 is an equidigital number, since it uses as much as digits as its factorization.

1134409889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1134409889 is about 33681.0019001811. The cubic root of 1134409889 is about 1042.9336207547.

The spelling of 1134409889 in words is "one billion, one hundred thirty-four million, four hundred nine thousand, eight hundred eighty-nine".