140559648 has 24 divisors (see below), whose sum is σ = 368969328. Its totient is φ = 46853184.

The previous prime is 140559631. The next prime is 140559649. The reversal of 140559648 is 846955041.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (140559649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731986 + ... + 732177.

It is an arithmetic number, because the mean of its divisors is an integer number (15373722).

Almost surely, 2^140559648 is an apocalyptic number.

It is an amenable number.

140559648 is an abundant number, since it is smaller than the sum of its proper divisors (228409680).

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

140559648 is a wasteful number, since it uses less digits than its factorization.

140559648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464176 (or 1464168 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 140559648 is about 11855.7854231594. The cubic root of 140559648 is about 519.9403876437.

The spelling of 140559648 in words is "one hundred forty million, five hundred fifty-nine thousand, six hundred forty-eight".