9138405113 has 2 divisors, whose sum is σ = 9138405114. Its totient is φ = 9138405112.

The previous prime is 9138405083. The next prime is 9138405121. The reversal of 9138405113 is 3115048319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7479309289 + 1659095824 = 86483^2 + 40732^2 .

It is a cyclic number.

It is not a de Polignac number, because 9138405113 - 2³⁰ = 8064663289 is a prime.

It is a super-3 number, since 3×9138405113³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (9138405413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569202556 + 4569202557.

It is an arithmetic number, because the mean of its divisors is an integer number (4569202557).

Almost surely, 2^9138405113 is an apocalyptic number.

It is an amenable number.

9138405113 is a deficient number, since it is larger than the sum of its proper divisors (1).

9138405113 is an equidigital number, since it uses as much as digits as its factorization.

9138405113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 9138405113 is about 95595.0056906740. The cubic root of 9138405113 is about 2090.6923763135.

The spelling of 9138405113 in words is "nine billion, one hundred thirty-eight million, four hundred five thousand, one hundred thirteen".