140985632 has 18 divisors (see below), whose sum is σ = 277697763. Its totient is φ = 70459232.

The previous prime is 140985631. The next prime is 140985667. The reversal of 140985632 is 236589041.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

140985632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 70492816 + 70492816 = 8396^2 + 8396^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8396.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140985631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 66119 + ... + 68217.

Almost surely, 2^140985632 is an apocalyptic number.

It is an amenable number.

140985632 is a deficient number, since it is larger than the sum of its proper divisors (136712131).

140985632 is an frugal number, since it uses more digits than its factorization.

140985632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 140985632 is about 11873.7370696845. The cubic root of 140985632 is about 520.4651065505.

The spelling of 140985632 in words is "one hundred forty million, nine hundred eighty-five thousand, six hundred thirty-two".