1138287862 has 8 divisors (see below), whose sum is σ = 1710855000. Its totient is φ = 568002864.

The previous prime is 1138287859. The next prime is 1138287863. The reversal of 1138287862 is 2687828311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138287863) 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 3 ways as a sum of consecutive naturals, for example, 569287 + ... + 571282.

It is an arithmetic number, because the mean of its divisors is an integer number (213856875).

Almost surely, 2^1138287862 is an apocalyptic number.

1138287862 is a deficient number, since it is larger than the sum of its proper divisors (572567138).

1138287862 is a wasteful number, since it uses less digits than its factorization.

1138287862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141070.

The product of its digits is 258048, while the sum is 46.

The square root of 1138287862 is about 33738.5219296874. The cubic root of 1138287862 is about 1044.1206897706.

The spelling of 1138287862 in words is "one billion, one hundred thirty-eight million, two hundred eighty-seven thousand, eight hundred sixty-two".