185130808 has 8 divisors (see below), whose sum is σ = 347120280. Its totient is φ = 92565400.

The previous prime is 185130797. The next prime is 185130857. The reversal of 185130808 is 808031581.

185130808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570668 + ... + 11570683.

It is an arithmetic number, because the mean of its divisors is an integer number (43390035).

Almost surely, 2^185130808 is an apocalyptic number.

It is an amenable number.

185130808 is a deficient number, since it is larger than the sum of its proper divisors (161989472).

185130808 is a wasteful number, since it uses less digits than its factorization.

185130808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23141357 (or 23141353 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 185130808 is about 13606.2782567460. The cubic root of 185130808 is about 569.9361865568.

The spelling of 185130808 in words is "one hundred eighty-five million, one hundred thirty thousand, eight hundred eight".