140868564 has 24 divisors (see below), whose sum is σ = 330791328. Its totient is φ = 46656480.

The previous prime is 140868547. The next prime is 140868569. The reversal of 140868564 is 465868041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140868569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35502 + ... + 39269.

It is an arithmetic number, because the mean of its divisors is an integer number (13782972).

Almost surely, 2^140868564 is an apocalyptic number.

It is an amenable number.

140868564 is an abundant number, since it is smaller than the sum of its proper divisors (189922764).

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

140868564 is a wasteful number, since it uses less digits than its factorization.

140868564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74935 (or 74933 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 140868564 is about 11868.8063426783. The cubic root of 140868564 is about 520.3210098780.

The spelling of 140868564 in words is "one hundred forty million, eight hundred sixty-eight thousand, five hundred sixty-four".