1853130836 has 12 divisors (see below), whose sum is σ = 3243282420. Its totient is φ = 926478720.

The previous prime is 1853130821. The next prime is 1853130841. The reversal of 1853130836 is 6380313581.

It can be written as a sum of positive squares in 2 ways, for example, as 902641936 + 950488900 = 30044^2 + 30830^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1853130836.

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, 64370 + ... + 88598.

It is an arithmetic number, because the mean of its divisors is an integer number (270273535).

Almost surely, 2^1853130836 is an apocalyptic number.

It is an amenable number.

1853130836 is a deficient number, since it is larger than the sum of its proper divisors (1390151584).

1853130836 is a wasteful number, since it uses less digits than its factorization.

1853130836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43354 (or 43352 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1853130836 is about 43048.0061791484. The cubic root of 1853130836 is about 1228.2931435606.

The spelling of 1853130836 in words is "one billion, eight hundred fifty-three million, one hundred thirty thousand, eight hundred thirty-six".