139660982 has 16 divisors (see below), whose sum is σ = 222706800. Its totient is φ = 65498400.

The previous prime is 139660979. The next prime is 139660987. The reversal of 139660982 is 289066931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139660987) 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 7 ways as a sum of consecutive naturals, for example, 14357 + ... + 22032.

It is an arithmetic number, because the mean of its divisors is an integer number (13919175).

Almost surely, 2^139660982 is an apocalyptic number.

139660982 is a deficient number, since it is larger than the sum of its proper divisors (83045818).

139660982 is a wasteful number, since it uses less digits than its factorization.

139660982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36511.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 139660982 is about 11817.8247575432. The cubic root of 139660982 is about 518.8299407069.

The spelling of 139660982 in words is "one hundred thirty-nine million, six hundred sixty thousand, nine hundred eighty-two".