91136495 has 8 divisors (see below), whose sum is σ = 109460160. Its totient is φ = 72844960.

The previous prime is 91136491. The next prime is 91136527. The reversal of 91136495 is 59463119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91136495 - 2² = 91136491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91136491) 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 7 ways as a sum of consecutive naturals, for example, 1271 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (13682520).

Almost surely, 2^91136495 is an apocalyptic number.

91136495 is a deficient number, since it is larger than the sum of its proper divisors (18323665).

91136495 is a wasteful number, since it uses less digits than its factorization.

91136495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065.

The product of its digits is 29160, while the sum is 38.

The square root of 91136495 is about 9546.5436153615. The cubic root of 91136495 is about 450.0189210151.

The spelling of 91136495 in words is "ninety-one million, one hundred thirty-six thousand, four hundred ninety-five".