91148313 has 8 divisors (see below), whose sum is σ = 121576000. Its totient is φ = 60743088.

The previous prime is 91148293. The next prime is 91148327. The reversal of 91148313 is 31384119.

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

It is not a de Polignac number, because 91148313 - 2¹³ = 91140121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91143313) 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, 10308 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (15197000).

Almost surely, 2^91148313 is an apocalyptic number.

It is an amenable number.

91148313 is a deficient number, since it is larger than the sum of its proper divisors (30427687).

91148313 is a wasteful number, since it uses less digits than its factorization.

91148313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231.

The product of its digits is 2592, while the sum is 30.

The square root of 91148313 is about 9547.1625627723. The cubic root of 91148313 is about 450.0383720365.

The spelling of 91148313 in words is "ninety-one million, one hundred forty-eight thousand, three hundred thirteen".