90136 has 16 divisors (see below), whose sum is σ = 178200. Its totient is φ = 42624.

The previous prime is 90127. The next prime is 90149. The reversal of 90136 is 63109.

90136 = T₄₉ + T₅₀ + ... + T₈₆.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145 + ... + 448.

2⁹⁰¹³⁶ is an apocalyptic number.

It is an amenable number.

90136 is a deficient number, since it is larger than the sum of its proper divisors (88064).

90136 is a wasteful number, since it uses less digits than its factorization.

90136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 90136 is about 300.2265811017. The cubic root of 90136 is about 44.8366091067.

The spelling of 90136 in words is "ninety thousand, one hundred thirty-six".