9131439802 has 8 divisors (see below), whose sum is σ = 13714566336. Its totient is φ = 4559917692.

The previous prime is 9131439781. The next prime is 9131439839. The reversal of 9131439802 is 2089341319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2899138 + ... + 2902285.

It is an arithmetic number, because the mean of its divisors is an integer number (1714320792).

Almost surely, 2^9131439802 is an apocalyptic number.

9131439802 is a deficient number, since it is larger than the sum of its proper divisors (4583126534).

9131439802 is a wasteful number, since it uses less digits than its factorization.

9131439802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802212.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 9131439802 is about 95558.5673919403. The cubic root of 9131439802 is about 2090.1610646384.

The spelling of 9131439802 in words is "nine billion, one hundred thirty-one million, four hundred thirty-nine thousand, eight hundred two".