2139920159 has 8 divisors (see below), whose sum is σ = 2306184720. Its totient is φ = 1973892096.

The previous prime is 2139920143. The next prime is 2139920171. The reversal of 2139920159 is 9510299312.

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 2139920159 - 2⁴ = 2139920143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139920659) 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, 40097 + ... + 76730.

It is an arithmetic number, because the mean of its divisors is an integer number (288273090).

Almost surely, 2^2139920159 is an apocalyptic number.

2139920159 is a deficient number, since it is larger than the sum of its proper divisors (166264561).

2139920159 is a wasteful number, since it uses less digits than its factorization.

2139920159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118249.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 2139920159 is about 46259.2710599724. The cubic root of 2139920159 is about 1288.6427162053.

The spelling of 2139920159 in words is "two billion, one hundred thirty-nine million, nine hundred twenty thousand, one hundred fifty-nine".