90136048 has 10 divisors (see below), whose sum is σ = 174638624. Its totient is φ = 45068016.

The previous prime is 90136037. The next prime is 90136049. The reversal of 90136048 is 84063109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90136049) 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 as a sum of consecutive naturals, namely, 2816736 + ... + 2816767.

Almost surely, 2^90136048 is an apocalyptic number.

It is an amenable number.

90136048 is a deficient number, since it is larger than the sum of its proper divisors (84502576).

90136048 is a wasteful number, since it uses less digits than its factorization.

90136048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633511 (or 5633505 counting only the distinct ones).

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

The square root of 90136048 is about 9494.0006319781. Note that the first 3 decimals coincide. The cubic root of 90136048 is about 448.3661706561.

The spelling of 90136048 in words is "ninety million, one hundred thirty-six thousand, forty-eight".