91134230 has 32 divisors (see below), whose sum is σ = 179566848. Its totient is φ = 33026400.

The previous prime is 91134223. The next prime is 91134233. The reversal of 91134230 is 3243119.

It is a junction number, because it is equal to n+sod(n) for n = 91134196 and 91134205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91134233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35159 + ... + 37661.

It is an arithmetic number, because the mean of its divisors is an integer number (5611464).

Almost surely, 2^91134230 is an apocalyptic number.

91134230 is a deficient number, since it is larger than the sum of its proper divisors (88432618).

91134230 is a wasteful number, since it uses less digits than its factorization.

91134230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 91134230 is about 9546.4249853021. The cubic root of 91134230 is about 450.0151929027.

Adding to 91134230 its reverse (3243119), we get a palindrome (94377349).

The spelling of 91134230 in words is "ninety-one million, one hundred thirty-four thousand, two hundred thirty".