2139037859 has 8 divisors (see below), whose sum is σ = 2450714208. Its totient is φ = 1828886400.

The previous prime is 2139037843. The next prime is 2139037867. The reversal of 2139037859 is 9587309312.

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 2139037859 - 2⁴ = 2139037843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2139037819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378212 + ... + 383825.

It is an arithmetic number, because the mean of its divisors is an integer number (306339276).

Almost surely, 2^2139037859 is an apocalyptic number.

2139037859 is a deficient number, since it is larger than the sum of its proper divisors (311676349).

2139037859 is an equidigital number, since it uses as much as digits as its factorization.

2139037859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762445.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2139037859 is about 46249.7336100436. The cubic root of 2139037859 is about 1288.4655872037.

The spelling of 2139037859 in words is "two billion, one hundred thirty-nine million, thirty-seven thousand, eight hundred fifty-nine".