1138814066 has 8 divisors (see below), whose sum is σ = 1839622764. Its totient is φ = 525606480.

The previous prime is 1138814059. The next prime is 1138814081. The reversal of 1138814066 is 6604188311.

It can be written as a sum of positive squares in 2 ways, for example, as 799701841 + 339112225 = 28279^2 + 18415^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21900245 + ... + 21900296.

Almost surely, 2^1138814066 is an apocalyptic number.

1138814066 is a deficient number, since it is larger than the sum of its proper divisors (700808698).

1138814066 is a wasteful number, since it uses less digits than its factorization.

1138814066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43800556.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1138814066 is about 33746.3192955913. The cubic root of 1138814066 is about 1044.2815558872.

The spelling of 1138814066 in words is "one billion, one hundred thirty-eight million, eight hundred fourteen thousand, sixty-six".