90086134 has 4 divisors (see below), whose sum is σ = 135129204. Its totient is φ = 45043066.

The previous prime is 90086089. The next prime is 90086173. The reversal of 90086134 is 43168009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43168009 = 2741 ⋅15749.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 90086096 and 90086105.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22521532 + ... + 22521535.

It is an arithmetic number, because the mean of its divisors is an integer number (33782301).

Almost surely, 2^90086134 is an apocalyptic number.

90086134 is a deficient number, since it is larger than the sum of its proper divisors (45043070).

90086134 is a wasteful number, since it uses less digits than its factorization.

90086134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45043069.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 90086134 is about 9491.3715552601. The cubic root of 90086134 is about 448.2833925230.

The spelling of 90086134 in words is "ninety million, eighty-six thousand, one hundred thirty-four".