9139270487 has 6 divisors (see below), whose sum is σ = 9443596824. Its totient is φ = 8844454380.

The previous prime is 9139270429. The next prime is 9139270493. The reversal of 9139270487 is 7840729319.

9139270487 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 9139270487 - 2⁶ = 9139270423 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 (9139270417) 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 5 ways as a sum of consecutive naturals, for example, 4754123 + ... + 4756044.

It is an arithmetic number, because the mean of its divisors is an integer number (1573932804).

Almost surely, 2^9139270487 is an apocalyptic number.

9139270487 is a deficient number, since it is larger than the sum of its proper divisors (304326337).

9139270487 is an equidigital number, since it uses as much as digits as its factorization.

9139270487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510229 (or 9510198 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 9139270487 is about 95599.5318346277. The cubic root of 9139270487 is about 2090.7583679059.

The spelling of 9139270487 in words is "nine billion, one hundred thirty-nine million, two hundred seventy thousand, four hundred eighty-seven".