1138716036 has 96 divisors (see below), whose sum is σ = 3026472960. Its totient is φ = 370137600.

The previous prime is 1138716023. The next prime is 1138716071. The reversal of 1138716036 is 6306178311.

1138716036 is a `hidden beast` number, since 11 + 38 + 7 + 1 + 603 + 6 = 666.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 835996 + ... + 837356.

It is an arithmetic number, because the mean of its divisors is an integer number (31525760).

Almost surely, 2^1138716036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138716036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513236480).

1138716036 is an abundant number, since it is smaller than the sum of its proper divisors (1887756924).

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

1138716036 is a wasteful number, since it uses less digits than its factorization.

1138716036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1138716036 is about 33744.8668096349. The cubic root of 1138716036 is about 1044.2515908380.

The spelling of 1138716036 in words is "one billion, one hundred thirty-eight million, seven hundred sixteen thousand, thirty-six".