9138865141 has 16 divisors (see below), whose sum is σ = 10479760000. Its totient is φ = 7806855168.

The previous prime is 9138865139. The next prime is 9138865163. The reversal of 9138865141 is 1415688319.

It is not a de Polignac number, because 9138865141 - 2¹ = 9138865139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9138865091 and 9138865100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138865111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3523141 + ... + 3525733.

It is an arithmetic number, because the mean of its divisors is an integer number (654985000).

Almost surely, 2^9138865141 is an apocalyptic number.

It is an amenable number.

9138865141 is a deficient number, since it is larger than the sum of its proper divisors (1340894859).

9138865141 is a wasteful number, since it uses less digits than its factorization.

9138865141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108.

The product of its digits is 207360, while the sum is 46.

The square root of 9138865141 is about 95597.4117902781. The cubic root of 9138865141 is about 2090.7274575952.

The spelling of 9138865141 in words is "nine billion, one hundred thirty-eight million, eight hundred sixty-five thousand, one hundred forty-one".