1138700166 has 8 divisors (see below), whose sum is σ = 2277400344. Its totient is φ = 379566720.

The previous prime is 1138700083. The next prime is 1138700179. The reversal of 1138700166 is 6610078311.

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

1138700166 is an admirable number.

It is a congruent number.

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, 94891675 + ... + 94891686.

It is an arithmetic number, because the mean of its divisors is an integer number (284675043).

Almost surely, 2^1138700166 is an apocalyptic number.

1138700166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138700166 is a wasteful number, since it uses less digits than its factorization.

1138700166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189783366.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1138700166 is about 33744.6316619399. The cubic root of 1138700166 is about 1044.2467396579.

Adding to 1138700166 its reverse (6610078311), we get a palindrome (7748778477).

The spelling of 1138700166 in words is "one billion, one hundred thirty-eight million, seven hundred thousand, one hundred sixty-six".