140435984 has 20 divisors (see below), whose sum is σ = 293025516. Its totient is φ = 64816512.

The previous prime is 140435959. The next prime is 140435993. The reversal of 140435984 is 489534041.

It can be written as a sum of positive squares in 2 ways, for example, as 36966400 + 103469584 = 6080^2 + 10172^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337379 + ... + 337794.

Almost surely, 2^140435984 is an apocalyptic number.

It is an amenable number.

140435984 is an abundant number, since it is smaller than the sum of its proper divisors (152589532).

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

140435984 is a wasteful number, since it uses less digits than its factorization.

140435984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675194 (or 675188 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 140435984 is about 11850.5689314902. The cubic root of 140435984 is about 519.7878621865.

The spelling of 140435984 in words is "one hundred forty million, four hundred thirty-five thousand, nine hundred eighty-four".