4539437136 has 480 divisors, whose sum is σ = 15599001600. Its totient is φ = 1218032640.

The previous prime is 4539437107. The next prime is 4539437153. The reversal of 4539437136 is 6317349354.

4539437136 is a `hidden beast` number, since 4 + 539 + 43 + 71 + 3 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (816480) is a multiple of the sum of its prime divisors (270).

It is a junction number, because it is equal to n+sod(n) for n = 4539437091 and 4539437100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25359895 + ... + 25360073.

It is an arithmetic number, because the mean of its divisors is an integer number (32497920).

Almost surely, 2^4539437136 is an apocalyptic number.

4539437136 is a gapful number since it is divisible by the number (46) 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 4539437136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7799500800).

4539437136 is an abundant number, since it is smaller than the sum of its proper divisors (11059564464).

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

4539437136 is a wasteful number, since it uses less digits than its factorization.

4539437136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 270 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 4539437136 is about 67375.3451642365. The cubic root of 4539437136 is about 1655.7725130347.

The spelling of 4539437136 in words is "four billion, five hundred thirty-nine million, four hundred thirty-seven thousand, one hundred thirty-six".