1138448967 has 8 divisors (see below), whose sum is σ = 1558957296. Its totient is φ = 738453312.

The previous prime is 1138448933. The next prime is 1138448977. The reversal of 1138448967 is 7698448311.

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

It is not a de Polignac number, because 1138448967 - 2¹¹ = 1138446919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138448977) 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, 5128038 + ... + 5128259.

It is an arithmetic number, because the mean of its divisors is an integer number (194869662).

Almost surely, 2^1138448967 is an apocalyptic number.

1138448967 is a deficient number, since it is larger than the sum of its proper divisors (420508329).

1138448967 is a wasteful number, since it uses less digits than its factorization.

1138448967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10256337.

The product of its digits is 1161216, while the sum is 51.

The square root of 1138448967 is about 33740.9093979401. The cubic root of 1138448967 is about 1044.1699465342.

The spelling of 1138448967 in words is "one billion, one hundred thirty-eight million, four hundred forty-eight thousand, nine hundred sixty-seven".