2136971232 has 144 divisors (see below), whose sum is σ = 6646047408. Its totient is φ = 645949440.

The previous prime is 2136971219. The next prime is 2136971293. The reversal of 2136971232 is 2321796312.

It is a tau number, because it is divible by the number of its divisors (144).

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2068188 + ... + 2069220.

It is an arithmetic number, because the mean of its divisors is an integer number (46153107).

Almost surely, 2^2136971232 is an apocalyptic number.

2136971232 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 2136971232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323023704).

2136971232 is an abundant number, since it is smaller than the sum of its proper divisors (4509076176).

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

2136971232 is a wasteful number, since it uses less digits than its factorization.

2136971232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1702 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2136971232 is about 46227.3861688069. The cubic root of 2136971232 is about 1288.0505040444.

The spelling of 2136971232 in words is "two billion, one hundred thirty-six million, nine hundred seventy-one thousand, two hundred thirty-two".