90135063 has 12 divisors (see below), whose sum is σ = 130292760. Its totient is φ = 60044976.

The previous prime is 90135061. The next prime is 90135083. The reversal of 90135063 is 36053109.

It is not a de Polignac number, because 90135063 - 2¹ = 90135061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90135061) 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, 12708 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (10857730).

Almost surely, 2^90135063 is an apocalyptic number.

90135063 is a deficient number, since it is larger than the sum of its proper divisors (40157697).

90135063 is a wasteful number, since it uses less digits than its factorization.

90135063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 7515 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 90135063 is about 9493.9487569715. The cubic root of 90135063 is about 448.3645374128.

The spelling of 90135063 in words is "ninety million, one hundred thirty-five thousand, sixty-three".