2139198059 has 8 divisors (see below), whose sum is σ = 2238456192. Its totient is φ = 2041830720.

The previous prime is 2139198041. The next prime is 2139198067. The reversal of 2139198059 is 9508919312.

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 2139198059 - 2⁸ = 2139197803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2139191059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470384 + ... + 474909.

It is an arithmetic number, because the mean of its divisors is an integer number (279807024).

Almost surely, 2^2139198059 is an apocalyptic number.

2139198059 is a deficient number, since it is larger than the sum of its proper divisors (99258133).

2139198059 is an equidigital number, since it uses as much as digits as its factorization.

2139198059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945397.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 2139198059 is about 46251.4654794851. The cubic root of 2139198059 is about 1288.4977522935.

The spelling of 2139198059 in words is "two billion, one hundred thirty-nine million, one hundred ninety-eight thousand, fifty-nine".