9131432394 has 32 divisors (see below), whose sum is σ = 22099602816. Its totient is φ = 2455511040.

The previous prime is 9131432389. The next prime is 9131432417. The reversal of 9131432394 is 4932341319.

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 15 ways as a sum of consecutive naturals, for example, 6393847 + ... + 6395274.

It is an arithmetic number, because the mean of its divisors is an integer number (690612588).

Almost surely, 2^9131432394 is an apocalyptic number.

9131432394 is an abundant number, since it is smaller than the sum of its proper divisors (12968170422).

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

9131432394 is a wasteful number, since it uses less digits than its factorization.

9131432394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789150.

The product of its digits is 69984, while the sum is 39.

The square root of 9131432394 is about 95558.5286303635. The cubic root of 9131432394 is about 2090.1604994147.

The spelling of 9131432394 in words is "nine billion, one hundred thirty-one million, four hundred thirty-two thousand, three hundred ninety-four".