919130836 has 18 divisors (see below), whose sum is σ = 1741727022. Its totient is φ = 424213920.

The previous prime is 919130819. The next prime is 919130869. The reversal of 919130836 is 638031919.

919130836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 128958736 + 790172100 = 11356^2 + 28110^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679155 + ... + 680506.

Almost surely, 2^919130836 is an apocalyptic number.

It is an amenable number.

919130836 is a deficient number, since it is larger than the sum of its proper divisors (822596186).

919130836 is a wasteful number, since it uses less digits than its factorization.

919130836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359691 (or 1359676 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 919130836 is about 30317.1706463515. The cubic root of 919130836 is about 972.2824473986.

The spelling of 919130836 in words is "nine hundred nineteen million, one hundred thirty thousand, eight hundred thirty-six".