1820000539 has 8 divisors (see below), whose sum is σ = 2080272608. Its totient is φ = 1559796480.

The previous prime is 1820000527. The next prime is 1820000543. The reversal of 1820000539 is 9350000281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1820000539 - 2¹¹ = 1819998491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1820000639) 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, 70129 + ... + 92509.

It is an arithmetic number, because the mean of its divisors is an integer number (260034076).

Almost surely, 2^1820000539 is an apocalyptic number.

1820000539 is a deficient number, since it is larger than the sum of its proper divisors (260272069).

1820000539 is a wasteful number, since it uses less digits than its factorization.

1820000539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34005.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1820000539 is about 42661.4643325801. The cubic root of 1820000539 is about 1220.9292702744.

The spelling of 1820000539 in words is "one billion, eight hundred twenty million, five hundred thirty-nine", and thus it is an aban number.