140605982 has 8 divisors (see below), whose sum is σ = 230082552. Its totient is φ = 63911800.

The previous prime is 140605981. The next prime is 140605991. The reversal of 140605982 is 289506041.

140605982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140605981) by changing a digit.

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, 3195569 + ... + 3195612.

It is an arithmetic number, because the mean of its divisors is an integer number (28760319).

Almost surely, 2^140605982 is an apocalyptic number.

140605982 is a deficient number, since it is larger than the sum of its proper divisors (89476570).

140605982 is a wasteful number, since it uses less digits than its factorization.

140605982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391194.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 140605982 is about 11857.7393292314. The cubic root of 140605982 is about 519.9975123155.

The spelling of 140605982 in words is "one hundred forty million, six hundred five thousand, nine hundred eighty-two".