1138038886 has 8 divisors (see below), whose sum is σ = 1748694024. Its totient is φ = 555140880.

The previous prime is 1138038883. The next prime is 1138038899. The reversal of 1138038886 is 6888308311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138038883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6939180 + ... + 6939343.

It is an arithmetic number, because the mean of its divisors is an integer number (218586753).

Almost surely, 2^1138038886 is an apocalyptic number.

1138038886 is a deficient number, since it is larger than the sum of its proper divisors (610655138).

1138038886 is a wasteful number, since it uses less digits than its factorization.

1138038886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878566.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1138038886 is about 33734.8319397029. The cubic root of 1138038886 is about 1044.0445579011.

The spelling of 1138038886 in words is "one billion, one hundred thirty-eight million, thirty-eight thousand, eight hundred eighty-six".