140064 has 24 divisors (see below), whose sum is σ = 367920. Its totient is φ = 46656.

The previous prime is 140057. The next prime is 140069. The reversal of 140064 is 460041.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (140069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (15330).

2¹⁴⁰⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

140064 is an abundant number, since it is smaller than the sum of its proper divisors (227856).

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

140064 is a wasteful number, since it uses less digits than its factorization.

140064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140064 is about 374.2512525029. The cubic root of 140064 is about 51.9328521851.

The spelling of 140064 in words is "one hundred forty thousand, sixty-four".