91134273 has 8 divisors (see below), whose sum is σ = 121622368. Its totient is φ = 60701184.

The previous prime is 91134259. The next prime is 91134283. The reversal of 91134273 is 37243119.

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

It is not a de Polignac number, because 91134273 - 2¹⁷ = 91003201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91134273.

It is not an unprimeable number, because it can be changed into a prime (91134223) 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, 9715 + ... + 16632.

It is an arithmetic number, because the mean of its divisors is an integer number (15202796).

Almost surely, 2^91134273 is an apocalyptic number.

It is an amenable number.

91134273 is a deficient number, since it is larger than the sum of its proper divisors (30488095).

91134273 is a wasteful number, since it uses less digits than its factorization.

91134273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27503.

The product of its digits is 4536, while the sum is 30.

The square root of 91134273 is about 9546.4272374538. The cubic root of 91134273 is about 450.0152636798.

The spelling of 91134273 in words is "ninety-one million, one hundred thirty-four thousand, two hundred seventy-three".