91134459 has 12 divisors (see below), whose sum is σ = 141764896. Its totient is φ = 56082672.

The previous prime is 91134419. The next prime is 91134517. The reversal of 91134459 is 95443119.

It is a happy number.

It is not a de Polignac number, because 91134459 - 2¹² = 91130363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91134419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389347 + ... + 389580.

Almost surely, 2^91134459 is an apocalyptic number.

91134459 is a deficient number, since it is larger than the sum of its proper divisors (50630437).

91134459 is a wasteful number, since it uses less digits than its factorization.

91134459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778946 (or 778943 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 91134459 is about 9546.4369793133. The cubic root of 91134459 is about 450.0155698317.

The spelling of 91134459 in words is "ninety-one million, one hundred thirty-four thousand, four hundred fifty-nine".