9134351891 has 8 divisors (see below), whose sum is σ = 10484064864. Its totient is φ = 7795840320.

The previous prime is 9134351839. The next prime is 9134351917. The reversal of 9134351891 is 1981534319.

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

It is a cyclic number.

It is not a de Polignac number, because 9134351891 - 2¹⁸ = 9134089747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9134351591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2798600 + ... + 2801861.

It is an arithmetic number, because the mean of its divisors is an integer number (1310508108).

Almost surely, 2^9134351891 is an apocalyptic number.

9134351891 is a deficient number, since it is larger than the sum of its proper divisors (1349712973).

9134351891 is a wasteful number, since it uses less digits than its factorization.

9134351891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600701.

The product of its digits is 116640, while the sum is 44.

The square root of 9134351891 is about 95573.8033720538. The cubic root of 9134351891 is about 2090.3832307025.

The spelling of 9134351891 in words is "nine billion, one hundred thirty-four million, three hundred fifty-one thousand, eight hundred ninety-one".