1138605196 has 24 divisors (see below), whose sum is σ = 2020067840. Its totient is φ = 561459600.

The previous prime is 1138605173. The next prime is 1138605197. The reversal of 1138605196 is 6915068311.

It is not an unprimeable number, because it can be changed into a prime (1138605197) 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, 406561 + ... + 409351.

Almost surely, 2^1138605196 is an apocalyptic number.

It is an amenable number.

1138605196 is a deficient number, since it is larger than the sum of its proper divisors (881462644).

1138605196 is a wasteful number, since it uses less digits than its factorization.

1138605196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165 (or 4163 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1138605196 is about 33743.2244458054. The cubic root of 1138605196 is about 1044.2177080559.

The spelling of 1138605196 in words is "one billion, one hundred thirty-eight million, six hundred five thousand, one hundred ninety-six".