91114193 has 4 divisors (see below), whose sum is σ = 91160628. Its totient is φ = 91067760.

The previous prime is 91114189. The next prime is 91114211. The reversal of 91114193 is 39141119.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41383489 + 49730704 = 6433^2 + 7052^2 .

It is a cyclic number.

It is not a de Polignac number, because 91114193 - 2² = 91114189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91114103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20138 + ... + 24243.

It is an arithmetic number, because the mean of its divisors is an integer number (22790157).

Almost surely, 2^91114193 is an apocalyptic number.

It is an amenable number.

91114193 is a deficient number, since it is larger than the sum of its proper divisors (46435).

91114193 is a wasteful number, since it uses less digits than its factorization.

91114193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46434.

The product of its digits is 972, while the sum is 29.

The square root of 91114193 is about 9545.3754771617. The cubic root of 91114193 is about 449.9822099963.

The spelling of 91114193 in words is "ninety-one million, one hundred fourteen thousand, one hundred ninety-three".