43137782132 has 12 divisors (see below), whose sum is σ = 79931772900. Its totient is φ = 20300132736.

The previous prime is 43137782123. The next prime is 43137782143. The reversal of 43137782132 is 23128773134.

It can be written as a sum of positive squares in 2 ways, for example, as 26762996836 + 16374785296 = 163594^2 + 127964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43137782132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317189507 + ... + 317189642.

It is an arithmetic number, because the mean of its divisors is an integer number (6660981075).

Almost surely, 2^43137782132 is an apocalyptic number.

It is an amenable number.

43137782132 is a deficient number, since it is larger than the sum of its proper divisors (36793990768).

43137782132 is a wasteful number, since it uses less digits than its factorization.

43137782132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634379170 (or 634379168 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The spelling of 43137782132 in words is "forty-three billion, one hundred thirty-seven million, seven hundred eighty-two thousand, one hundred thirty-two".