539781090 has 16 divisors (see below), whose sum is σ = 1295474688. Its totient is φ = 143941616.

The previous prime is 539781071. The next prime is 539781091. The reversal of 539781090 is 90187935.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (539781091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8996322 + ... + 8996381.

It is an arithmetic number, because the mean of its divisors is an integer number (80967168).

Almost surely, 2^539781090 is an apocalyptic number.

539781090 is an abundant number, since it is smaller than the sum of its proper divisors (755693598).

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

539781090 is a wasteful number, since it uses less digits than its factorization.

539781090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992713.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 539781090 is about 23233.1894065365. The cubic root of 539781090 is about 814.2152306314.

The spelling of 539781090 in words is "five hundred thirty-nine million, seven hundred eighty-one thousand, ninety".