9136545842 has 6 divisors (see below), whose sum is σ = 13705021533. Its totient is φ = 4568205332.

The previous prime is 9136545823. The next prime is 9136545857. The reversal of 9136545842 is 2485456319.

It can be written as a sum of positive squares in 2 ways, for example, as 9123879361 + 12666481 = 95519^2 + 3559^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=67589.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 101384 + ... + 168972.

Almost surely, 2^9136545842 is an apocalyptic number.

9136545842 is a deficient number, since it is larger than the sum of its proper divisors (4568475691).

9136545842 is an frugal number, since it uses more digits than its factorization.

9136545842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135180 (or 67591 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 9136545842 is about 95585.2804672351. The cubic root of 9136545842 is about 2090.5505781437.

The spelling of 9136545842 in words is "nine billion, one hundred thirty-six million, five hundred forty-five thousand, eight hundred forty-two".