140008664064 has 176 divisors, whose sum is σ = 395663811200. Its totient is φ = 43892637696.

The previous prime is 140008664063. The next prime is 140008664087. The reversal of 140008664064 is 460466800041.

It is not an unprimeable number, because it can be changed into a prime (140008664063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8104524 + ... + 8121780.

Almost surely, 2^140008664064 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 140008664064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197831905600).

140008664064 is an abundant number, since it is smaller than the sum of its proper divisors (255655147136).

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

140008664064 is a wasteful number, since it uses less digits than its factorization.

140008664064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438 (or 17420 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 140008664064 in words is "one hundred forty billion, eight million, six hundred sixty-four thousand, sixty-four".