139984064 has 28 divisors (see below), whose sum is σ = 303035208. Its totient is φ = 63628800.

The previous prime is 139984057. The next prime is 139984087. The reversal of 139984064 is 460489931.

139984064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98717 + ... + 100124.

It is an arithmetic number, because the mean of its divisors is an integer number (10822686).

Almost surely, 2^139984064 is an apocalyptic number.

It is an amenable number.

139984064 is an abundant number, since it is smaller than the sum of its proper divisors (163051144).

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

139984064 is a wasteful number, since it uses less digits than its factorization.

139984064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198864 (or 198854 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 139984064 is about 11831.4861281244. The cubic root of 139984064 is about 519.2297076313.

The spelling of 139984064 in words is "one hundred thirty-nine million, nine hundred eighty-four thousand, sixty-four".