1138844300 has 36 divisors (see below), whose sum is σ = 2695957656. Its totient is φ = 414124800.

The previous prime is 1138844281. The next prime is 1138844327. The reversal of 1138844300 is 34488311.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516557 + ... + 518756.

Almost surely, 2^1138844300 is an apocalyptic number.

1138844300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138844300 is an abundant number, since it is smaller than the sum of its proper divisors (1557113356).

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

1138844300 is a wasteful number, since it uses less digits than its factorization.

1138844300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035338 (or 1035331 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1138844300 is about 33746.7672525829. The cubic root of 1138844300 is about 1044.2907972346.

The spelling of 1138844300 in words is "one billion, one hundred thirty-eight million, eight hundred forty-four thousand, three hundred".