140240064 has 112 divisors (see below), whose sum is σ = 401523200. Its totient is φ = 43047936.

The previous prime is 140240041. The next prime is 140240077. The reversal of 140240064 is 460042041.

It is a self number, because there is not a number n which added to its sum of digits gives 140240064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134457 + ... + 135495.

Almost surely, 2^140240064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140240064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200761600).

140240064 is an abundant number, since it is smaller than the sum of its proper divisors (261283136).

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

140240064 is a wasteful number, since it uses less digits than its factorization.

140240064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140240064 is about 11842.2997766481. The cubic root of 140240064 is about 519.5460337777.

The spelling of 140240064 in words is "one hundred forty million, two hundred forty thousand, sixty-four".