9189840132 has 54 divisors (see below), whose sum is σ = 25533674894. Its totient is φ = 2784798720.

The previous prime is 9189840053. The next prime is 9189840157. The reversal of 9189840132 is 2310489819.

It can be written as a sum of positive squares in only one way, i.e., 7181545536 + 2008294596 = 84744^2 + 44814^2 .

It is a super-3 number, since 3×9189840132³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1050493 + ... + 1059204.

Almost surely, 2^9189840132 is an apocalyptic number.

It is an amenable number.

9189840132 is an abundant number, since it is smaller than the sum of its proper divisors (16343834762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9189840132 is a wasteful number, since it uses less digits than its factorization.

9189840132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109729 (or 2109713 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 9189840132 is about 95863.6538631822. The cubic root of 9189840132 is about 2094.6074898006.

The spelling of 9189840132 in words is "nine billion, one hundred eighty-nine million, eight hundred forty thousand, one hundred thirty-two".