1138463286 has 16 divisors (see below), whose sum is σ = 2338465584. Its totient is φ = 369231264.

The previous prime is 1138463219. The next prime is 1138463303. The reversal of 1138463286 is 6823648311.

1138463286 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563885 + ... + 2564328.

It is an arithmetic number, because the mean of its divisors is an integer number (146154099).

Almost surely, 2^1138463286 is an apocalyptic number.

1138463286 is an abundant number, since it is smaller than the sum of its proper divisors (1200002298).

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

1138463286 is a wasteful number, since it uses less digits than its factorization.

1138463286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128255.

The product of its digits is 165888, while the sum is 42.

The square root of 1138463286 is about 33741.1215877599. The cubic root of 1138463286 is about 1044.1743242467.

The spelling of 1138463286 in words is "one billion, one hundred thirty-eight million, four hundred sixty-three thousand, two hundred eighty-six".