1138063689 has 40 divisors (see below), whose sum is σ = 1947863808. Its totient is φ = 648673920.

The previous prime is 1138063673. The next prime is 1138063709. The reversal of 1138063689 is 9863608311.

It is a happy number.

1138063689 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 0 + 636 + 8 + 9 = 666.

It is not a de Polignac number, because 1138063689 - 2⁴ = 1138063673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138063669) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 242049 + ... + 246705.

Almost surely, 2^1138063689 is an apocalyptic number.

It is an amenable number.

1138063689 is a deficient number, since it is larger than the sum of its proper divisors (809800119).

1138063689 is an equidigital number, since it uses as much as digits as its factorization.

1138063689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1138063689 is about 33735.1995547677. The cubic root of 1138063689 is about 1044.0521426593.

The spelling of 1138063689 in words is "one billion, one hundred thirty-eight million, sixty-three thousand, six hundred eighty-nine".