2139046272 has 128 divisors (see below), whose sum is σ = 6887203200. Its totient is φ = 648184320.

The previous prime is 2139046243. The next prime is 2139046289. The reversal of 2139046272 is 2726409312.

2139046272 is a `hidden beast` number, since 21 + 3 + 9 + 0 + 4 + 627 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9883 + ... + 66149.

It is an arithmetic number, because the mean of its divisors is an integer number (53806275).

Almost surely, 2^2139046272 is an apocalyptic number.

2139046272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139046272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3443601600).

2139046272 is an abundant number, since it is smaller than the sum of its proper divisors (4748156928).

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

2139046272 is a wasteful number, since it uses less digits than its factorization.

2139046272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56301 (or 56283 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2139046272 is about 46249.8245618294. The cubic root of 2139046272 is about 1288.4672764128.

The spelling of 2139046272 in words is "two billion, one hundred thirty-nine million, forty-six thousand, two hundred seventy-two".