5318540136 has 512 divisors, whose sum is σ = 19121356800. Its totient is φ = 1332495360.

The previous prime is 5318540077. The next prime is 5318540159. The reversal of 5318540136 is 6310458135.

5318540136 is a `hidden beast` number, since 531 + 85 + 40 + 1 + 3 + 6 = 666.

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 5318540136.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51636261 + ... + 51636363.

It is an arithmetic number, because the mean of its divisors is an integer number (37346400).

Almost surely, 2^5318540136 is an apocalyptic number.

5318540136 is a gapful number since it is divisible by the number (56) 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 5318540136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9560678400).

5318540136 is an abundant number, since it is smaller than the sum of its proper divisors (13802816664).

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

5318540136 is a wasteful number, since it uses less digits than its factorization.

5318540136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5318540136 is about 72928.3219058275. The cubic root of 5318540136 is about 1745.5440526010.

The spelling of 5318540136 in words is "five billion, three hundred eighteen million, five hundred forty thousand, one hundred thirty-six".