91135248 has 40 divisors (see below), whose sum is σ = 247826400. Its totient is φ = 28779264.

The previous prime is 91135243. The next prime is 91135301. The reversal of 91135248 is 84253119.

It is not an unprimeable number, because it can be changed into a prime (91135243) 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, 49053 + ... + 50876.

It is an arithmetic number, because the mean of its divisors is an integer number (6195660).

Almost surely, 2^91135248 is an apocalyptic number.

It is an amenable number.

91135248 is an abundant number, since it is smaller than the sum of its proper divisors (156691152).

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

91135248 is a wasteful number, since it uses less digits than its factorization.

91135248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99959 (or 99953 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 91135248 is about 9546.4783035421. The cubic root of 91135248 is about 450.0168685035.

The spelling of 91135248 in words is "ninety-one million, one hundred thirty-five thousand, two hundred forty-eight".