140239984 has 20 divisors (see below), whose sum is σ = 273387016. Its totient is φ = 69688512.

The previous prime is 140239973. The next prime is 140239997. The reversal of 140239984 is 489932041.

It is a super-2 number, since 2×140239984² = 39334506224640512, which contains 22 as substring.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24279 + ... + 29494.

Almost surely, 2^140239984 is an apocalyptic number.

It is an amenable number.

140239984 is a deficient number, since it is larger than the sum of its proper divisors (133147032).

140239984 is a wasteful number, since it uses less digits than its factorization.

140239984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53944 (or 53938 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 140239984 is about 11842.2963989253. The cubic root of 140239984 is about 519.5459349859.

The spelling of 140239984 in words is "one hundred forty million, two hundred thirty-nine thousand, nine hundred eighty-four".