90135536 has 10 divisors (see below), whose sum is σ = 174637632. Its totient is φ = 45067760.

The previous prime is 90135517. The next prime is 90135541. The reversal of 90135536 is 63553109.

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, 2816720 + ... + 2816751.

Almost surely, 2^90135536 is an apocalyptic number.

It is an amenable number.

90135536 is a deficient number, since it is larger than the sum of its proper divisors (84502096).

90135536 is a wasteful number, since it uses less digits than its factorization.

90135536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633479 (or 5633473 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 90135536 is about 9493.9736675430. The cubic root of 90135536 is about 448.3653217027.

The spelling of 90135536 in words is "ninety million, one hundred thirty-five thousand, five hundred thirty-six".