91134961 has 4 divisors (see below), whose sum is σ = 92418624. Its totient is φ = 89851300.

The previous prime is 91134937. The next prime is 91134973. The reversal of 91134961 is 16943119.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91134961 - 2¹⁹ = 90610673 is a prime.

It is a super-3 number, since 3×91134961³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91134991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641725 + ... + 641866.

It is an arithmetic number, because the mean of its divisors is an integer number (23104656).

Almost surely, 2^91134961 is an apocalyptic number.

It is an amenable number.

91134961 is a deficient number, since it is larger than the sum of its proper divisors (1283663).

91134961 is a wasteful number, since it uses less digits than its factorization.

91134961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283662.

The product of its digits is 5832, while the sum is 34.

The square root of 91134961 is about 9546.4632718091. The cubic root of 91134961 is about 450.0163961104.

The spelling of 91134961 in words is "ninety-one million, one hundred thirty-four thousand, nine hundred sixty-one".