539808136 has 32 divisors (see below), whose sum is σ = 1172586240. Its totient is φ = 228175488.

The previous prime is 539808131. The next prime is 539808149. The reversal of 539808136 is 631808935.

It is a junction number, because it is equal to n+sod(n) for n = 539808092 and 539808101.

It is not an unprimeable number, because it can be changed into a prime (539808131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61936 + ... + 70111.

It is an arithmetic number, because the mean of its divisors is an integer number (36643320).

Almost surely, 2^539808136 is an apocalyptic number.

539808136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

539808136 is an abundant number, since it is smaller than the sum of its proper divisors (632778104).

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

539808136 is a wasteful number, since it uses less digits than its factorization.

539808136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132133 (or 132129 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 539808136 is about 23233.7714545013. The cubic root of 539808136 is about 814.2288292906.

The spelling of 539808136 in words is "five hundred thirty-nine million, eight hundred eight thousand, one hundred thirty-six".