1138686300 has 108 divisors (see below), whose sum is σ = 3724397040. Its totient is φ = 290442240.

The previous prime is 1138686271. The next prime is 1138686313. The reversal of 1138686300 is 36868311.

1138686300 is a `hidden beast` number, since 1 + 13 + 8 + 6 + 8 + 630 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 6805 + ... + 48204.

Almost surely, 2^1138686300 is an apocalyptic number.

1138686300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138686300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862198520).

1138686300 is an abundant number, since it is smaller than the sum of its proper divisors (2585710740).

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

1138686300 is a wasteful number, since it uses less digits than its factorization.

1138686300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55052 (or 55042 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1138686300 is about 33744.4262064122. The cubic root of 1138686300 is about 1044.2425010285.

The spelling of 1138686300 in words is "one billion, one hundred thirty-eight million, six hundred eighty-six thousand, three hundred".