1138463529 has 16 divisors (see below), whose sum is σ = 1738767360. Its totient is φ = 649063440.

The previous prime is 1138463519. The next prime is 1138463537. The reversal of 1138463529 is 9253648311.

1138463529 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1138463529 - 2⁷ = 1138463401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138463519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52527 + ... + 70964.

It is an arithmetic number, because the mean of its divisors is an integer number (108672960).

Almost surely, 2^1138463529 is an apocalyptic number.

It is an amenable number.

1138463529 is a deficient number, since it is larger than the sum of its proper divisors (600303831).

1138463529 is a wasteful number, since it uses less digits than its factorization.

1138463529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123940.

The product of its digits is 155520, while the sum is 42.

The square root of 1138463529 is about 33741.1251887070. The cubic root of 1138463529 is about 1044.1743985382.

The spelling of 1138463529 in words is "one billion, one hundred thirty-eight million, four hundred sixty-three thousand, five hundred twenty-nine".