91541130 has 32 divisors (see below), whose sum is σ = 221184000. Its totient is φ = 24245952.

The previous prime is 91541113. The next prime is 91541159. The reversal of 91541130 is 3114519.

It is a self number, because there is not a number n which added to its sum of digits gives 91541130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5770 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (6912000).

Almost surely, 2^91541130 is an apocalyptic number.

91541130 is an abundant number, since it is smaller than the sum of its proper divisors (129642870).

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

91541130 is a wasteful number, since it uses less digits than its factorization.

91541130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 91541130 is about 9567.7128928496. The cubic root of 91541130 is about 450.6839476069.

Adding to 91541130 its reverse (3114519), we get a palindrome (94655649).

The spelling of 91541130 in words is "ninety-one million, five hundred forty-one thousand, one hundred thirty".