139471682 has 24 divisors (see below), whose sum is σ = 242194368. Its totient is φ = 59002920.

The previous prime is 139471679. The next prime is 139471687. The reversal of 139471682 is 286174931.

139471682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139471687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448307 + ... + 448617.

It is an arithmetic number, because the mean of its divisors is an integer number (10091432).

Almost surely, 2^139471682 is an apocalyptic number.

139471682 is a deficient number, since it is larger than the sum of its proper divisors (102722686).

139471682 is an equidigital number, since it uses as much as digits as its factorization.

139471682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 423 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 139471682 is about 11809.8129536416. The cubic root of 139471682 is about 518.5954230104.

The spelling of 139471682 in words is "one hundred thirty-nine million, four hundred seventy-one thousand, six hundred eighty-two".