90140682 has 16 divisors (see below), whose sum is σ = 182067552. Its totient is φ = 29749200.

The previous prime is 90140669. The next prime is 90140683. The reversal of 90140682 is 28604109.

It is not an unprimeable number, because it can be changed into a prime (90140683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73768 + ... + 74979.

It is an arithmetic number, because the mean of its divisors is an integer number (11379222).

Almost surely, 2^90140682 is an apocalyptic number.

90140682 is an abundant number, since it is smaller than the sum of its proper divisors (91926870).

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

90140682 is a wasteful number, since it uses less digits than its factorization.

90140682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148853.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 90140682 is about 9494.2446776982. The cubic root of 90140682 is about 448.3738542015.

The spelling of 90140682 in words is "ninety million, one hundred forty thousand, six hundred eighty-two".