2139168052 has 24 divisors (see below), whose sum is σ = 4279498496. Its totient is φ = 916537248.

The previous prime is 2139168049. The next prime is 2139168091. The reversal of 2139168052 is 2508619312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125938 + ... + 141910.

Almost surely, 2^2139168052 is an apocalyptic number.

It is an amenable number.

2139168052 is an abundant number, since it is smaller than the sum of its proper divisors (2140330444).

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

2139168052 is a wasteful number, since it uses less digits than its factorization.

2139168052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20767 (or 20765 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2139168052 is about 46251.1410886261. The cubic root of 2139168052 is about 1288.4917275852.

The spelling of 2139168052 in words is "two billion, one hundred thirty-nine million, one hundred sixty-eight thousand, fifty-two".