9138405283 has 10 divisors (see below), whose sum is σ = 10660841284. Its totient is φ = 7832916756.

The previous prime is 9138405187. The next prime is 9138405317. The reversal of 9138405283 is 3825048319.

9138405283 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 9138405283 - 2²¹ = 9136308131 is a prime.

It is a super-2 number, since 2×9138405283² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9138405083) 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 9 ways as a sum of consecutive naturals, for example, 1900641 + ... + 1905442.

Almost surely, 2^9138405283 is an apocalyptic number.

9138405283 is a deficient number, since it is larger than the sum of its proper divisors (1522436001).

9138405283 is an frugal number, since it uses more digits than its factorization.

9138405283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806111 (or 3806090 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 9138405283 is about 95595.0065798418. The cubic root of 9138405283 is about 2090.6923892777.

The spelling of 9138405283 in words is "nine billion, one hundred thirty-eight million, four hundred five thousand, two hundred eighty-three".