1138479862 has 16 divisors (see below), whose sum is σ = 1888789392. Its totient is φ = 511250400.

The previous prime is 1138479847. The next prime is 1138479863. The reversal of 1138479862 is 2689748311.

It is a super-2 number, since 2×1138479862² = 2592272792359078088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138479863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590764 + ... + 592687.

It is an arithmetic number, because the mean of its divisors is an integer number (118049337).

Almost surely, 2^1138479862 is an apocalyptic number.

1138479862 is a deficient number, since it is larger than the sum of its proper divisors (750309530).

1138479862 is a wasteful number, since it uses less digits than its factorization.

1138479862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183503.

The product of its digits is 580608, while the sum is 49.

The square root of 1138479862 is about 33741.3672218539. The cubic root of 1138479862 is about 1044.1793919404.

The spelling of 1138479862 in words is "one billion, one hundred thirty-eight million, four hundred seventy-nine thousand, eight hundred sixty-two".