1139289 has 16 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 704000.

The previous prime is 1139287. The next prime is 1139291. The reversal of 1139289 is 9829311.

It is an interprime number because it is at equal distance from previous prime (1139287) and next prime (1139291).

It is a cyclic number.

It is not a de Polignac number, because 1139289 - 2¹ = 1139287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1139287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^1139289 is an apocalyptic number.

It is an amenable number.

1139289 is a deficient number, since it is larger than the sum of its proper divisors (493671).

1139289 is a wasteful number, since it uses less digits than its factorization.

1139289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 3888, while the sum is 33.

The square root of 1139289 is about 1067.3748170160. The cubic root of 1139289 is about 104.4426705683.

The spelling of 1139289 in words is "one million, one hundred thirty-nine thousand, two hundred eighty-nine".