1138013789 has 8 divisors (see below), whose sum is σ = 1248330720. Its totient is φ = 1028840400.

The previous prime is 1138013783. The next prime is 1138013819. The reversal of 1138013789 is 9873108311.

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 1138013789 - 2²⁴ = 1121236573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138013783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283799 + ... + 287780.

It is an arithmetic number, because the mean of its divisors is an integer number (156041340).

Almost surely, 2^1138013789 is an apocalyptic number.

It is an amenable number.

1138013789 is a deficient number, since it is larger than the sum of its proper divisors (110316931).

1138013789 is a wasteful number, since it uses less digits than its factorization.

1138013789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571771.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1138013789 is about 33734.4599630704. The cubic root of 1138013789 is about 1044.0368831256.

The spelling of 1138013789 in words is "one billion, one hundred thirty-eight million, thirteen thousand, seven hundred eighty-nine".