1831072132 has 24 divisors (see below), whose sum is σ = 3298696856. Its totient is φ = 888703488.

The previous prime is 1831072129. The next prime is 1831072147. The reversal of 1831072132 is 2312701381.

It can be written as a sum of positive squares in 4 ways, for example, as 1285956 + 1829786176 = 1134^2 + 42776^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1831072132.

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, 49798 + ... + 78370.

Almost surely, 2^1831072132 is an apocalyptic number.

It is an amenable number.

1831072132 is a deficient number, since it is larger than the sum of its proper divisors (1467624724).

1831072132 is a wasteful number, since it uses less digits than its factorization.

1831072132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29047 (or 29045 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1831072132 is about 42791.0286391902. The cubic root of 1831072132 is about 1223.4000229606.

The spelling of 1831072132 in words is "one billion, eight hundred thirty-one million, seventy-two thousand, one hundred thirty-two".