140090896 has 45 divisors (see below), whose sum is σ = 299457613. Its totient is φ = 63440960.

The previous prime is 140090827. The next prime is 140090911. The reversal of 140090896 is 698090041.

The square root of 140090896 is 11836.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9217296 + 130873600 = 3036^2 + 11440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 520650 + ... + 520918.

Almost surely, 2^140090896 is an apocalyptic number.

140090896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

140090896 is the 11836-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140090896

140090896 is an abundant number, since it is smaller than the sum of its proper divisors (159366717).

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

140090896 is an equidigital number, since it uses as much as digits as its factorization.

140090896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The cubic root of 140090896 is about 519.3617613365.

The spelling of 140090896 in words is "one hundred forty million, ninety thousand, eight hundred ninety-six".