3118085136 has 120 divisors (see below), whose sum is σ = 9207744000. Its totient is φ = 982285056.

The previous prime is 3118085129. The next prime is 3118085147. The reversal of 3118085136 is 6315808113.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3118085136.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1391505 + ... + 1393743.

It is an arithmetic number, because the mean of its divisors is an integer number (76731200).

Almost surely, 2^3118085136 is an apocalyptic number.

3118085136 is a gapful number since it is divisible by the number (36) 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 3118085136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4603872000).

3118085136 is an abundant number, since it is smaller than the sum of its proper divisors (6089658864).

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

3118085136 is a wasteful number, since it uses less digits than its factorization.

3118085136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 3118085136 is about 55839.8167618770. The cubic root of 3118085136 is about 1460.9297162141.

The spelling of 3118085136 in words is "three billion, one hundred eighteen million, eighty-five thousand, one hundred thirty-six".