9130438287 has 16 divisors (see below), whose sum is σ = 13532346880. Its totient is φ = 6084361656.

The previous prime is 9130438283. The next prime is 9130438321. The reversal of 9130438287 is 7828340319.

9130438287 is a `hidden beast` number, since 9 + 130 + 438 + 2 + 87 = 666.

9130438287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9130438287 - 2² = 9130438283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9130438283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6613 + ... + 135294.

It is an arithmetic number, because the mean of its divisors is an integer number (845771680).

Almost surely, 2^9130438287 is an apocalyptic number.

9130438287 is a deficient number, since it is larger than the sum of its proper divisors (4401908593).

9130438287 is a wasteful number, since it uses less digits than its factorization.

9130438287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144299 (or 144293 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 9130438287 is about 95553.3269279516. The cubic root of 9130438287 is about 2090.0846471825.

The spelling of 9130438287 in words is "nine billion, one hundred thirty million, four hundred thirty-eight thousand, two hundred eighty-seven".