1132985289 has 8 divisors (see below), whose sum is σ = 1511220832. Its totient is φ = 755036640.

The previous prime is 1132985279. The next prime is 1132985291. The reversal of 1132985289 is 9825892311.

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

It is not a de Polignac number, because 1132985289 - 2⁸ = 1132985033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132985239) 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, 62332 + ... + 78429.

It is an arithmetic number, because the mean of its divisors is an integer number (188902604).

Almost surely, 2^1132985289 is an apocalyptic number.

It is an amenable number.

1132985289 is a deficient number, since it is larger than the sum of its proper divisors (378235543).

1132985289 is a wasteful number, since it uses less digits than its factorization.

1132985289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143447.

The product of its digits is 311040, while the sum is 48.

The square root of 1132985289 is about 33659.8468356587. The cubic root of 1132985289 is about 1042.4968633919.

The spelling of 1132985289 in words is "one billion, one hundred thirty-two million, nine hundred eighty-five thousand, two hundred eighty-nine".