1139112289 has 8 divisors (see below), whose sum is σ = 1302195968. Its totient is φ = 976116960.

The previous prime is 1139112277. The next prime is 1139112341. The reversal of 1139112289 is 9822119311.

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

It is not a de Polignac number, because 1139112289 - 2¹⁹ = 1138588001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139112209) 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, 8344 + ... + 48454.

It is an arithmetic number, because the mean of its divisors is an integer number (162774496).

Almost surely, 2^1139112289 is an apocalyptic number.

It is an amenable number.

1139112289 is a deficient number, since it is larger than the sum of its proper divisors (163083679).

1139112289 is an equidigital number, since it uses as much as digits as its factorization.

1139112289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44175.

The product of its digits is 7776, while the sum is 37.

The square root of 1139112289 is about 33750.7376067546. The cubic root of 1139112289 is about 1044.3727038065.

The spelling of 1139112289 in words is "one billion, one hundred thirty-nine million, one hundred twelve thousand, two hundred eighty-nine".