90136782 has 24 divisors (see below), whose sum is σ = 198983304. Its totient is φ = 29478384.

The previous prime is 90136763. The next prime is 90136799. The reversal of 90136782 is 28763109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46288 + ... + 48195.

It is an arithmetic number, because the mean of its divisors is an integer number (8290971).

Almost surely, 2^90136782 is an apocalyptic number.

90136782 is an abundant number, since it is smaller than the sum of its proper divisors (108846522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90136782 is a wasteful number, since it uses less digits than its factorization.

90136782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94544 (or 94541 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 90136782 is about 9494.0392878901. The cubic root of 90136782 is about 448.3673877048.

The spelling of 90136782 in words is "ninety million, one hundred thirty-six thousand, seven hundred eighty-two".