1138181410 has 8 divisors (see below), whose sum is σ = 2048726556. Its totient is φ = 455272560.

The previous prime is 1138181393. The next prime is 1138181411. The reversal of 1138181410 is 141818311.

1138181410 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1061391241 + 76790169 = 32579^2 + 8763^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1138181411) 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, 56909061 + ... + 56909080.

Almost surely, 2^1138181410 is an apocalyptic number.

1138181410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138181410 is a deficient number, since it is larger than the sum of its proper divisors (910545146).

1138181410 is a wasteful number, since it uses less digits than its factorization.

1138181410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113818148.

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 1138181410 is about 33736.9442896063. The cubic root of 1138181410 is about 1044.0881402418.

Adding to 1138181410 its reverse (141818311), we get a palindrome (1279999721).

The spelling of 1138181410 in words is "one billion, one hundred thirty-eight million, one hundred eighty-one thousand, four hundred ten".