1130639889 has 8 divisors (see below), whose sum is σ = 1513386720. Its totient is φ = 750826496.

The previous prime is 1130639813. The next prime is 1130639899. The reversal of 1130639889 is 9889360311.

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 1130639889 - 2⁸ = 1130639633 is a prime.

It is a super-3 number, since 3×1130639889³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130639899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732459 + ... + 734000.

It is an arithmetic number, because the mean of its divisors is an integer number (189173340).

Almost surely, 2^1130639889 is an apocalyptic number.

It is an amenable number.

1130639889 is a deficient number, since it is larger than the sum of its proper divisors (382746831).

1130639889 is a wasteful number, since it uses less digits than its factorization.

1130639889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466719.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 1130639889 is about 33624.9890557603. The cubic root of 1130639889 is about 1041.7770066569. Note that the first 3 decimals are identical.

The spelling of 1130639889 in words is "one billion, one hundred thirty million, six hundred thirty-nine thousand, eight hundred eighty-nine".