2104136139 has 16 divisors (see below), whose sum is σ = 3254160128. Its totient is φ = 1184416992.

The previous prime is 2104136119. The next prime is 2104136141. The reversal of 2104136139 is 9316314012.

It is not a de Polignac number, because 2104136139 - 2¹³ = 2104127947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104136119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746332 + ... + 749145.

It is an arithmetic number, because the mean of its divisors is an integer number (203385008).

Almost surely, 2^2104136139 is an apocalyptic number.

2104136139 is a deficient number, since it is larger than the sum of its proper divisors (1150023989).

2104136139 is a wasteful number, since it uses less digits than its factorization.

2104136139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495554.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2104136139 is about 45870.8637263350. The cubic root of 2104136139 is about 1281.4193522597.

The spelling of 2104136139 in words is "two billion, one hundred four million, one hundred thirty-six thousand, one hundred thirty-nine".