2139084 has 18 divisors (see below), whose sum is σ = 5407220. Its totient is φ = 713016.

The previous prime is 2139047. The next prime is 2139091. The reversal of 2139084 is 4809312.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29674 + ... + 29745.

2^2139084 is an apocalyptic number.

It is an amenable number.

2139084 is an abundant number, since it is smaller than the sum of its proper divisors (3268136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139084 is a wasteful number, since it uses less digits than its factorization.

2139084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59429 (or 59424 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2139084 is about 1462.5607679683. The cubic root of 2139084 is about 128.8474851597.

The spelling of 2139084 in words is "two million, one hundred thirty-nine thousand, eighty-four".