139834486 has 32 divisors (see below), whose sum is σ = 245060640. Its totient is φ = 59136000.

The previous prime is 139834481. The next prime is 139834489. The reversal of 139834486 is 684438931.

139834486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139834481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31186 + ... + 35386.

It is an arithmetic number, because the mean of its divisors is an integer number (7658145).

Almost surely, 2^139834486 is an apocalyptic number.

139834486 is a deficient number, since it is larger than the sum of its proper divisors (105226154).

139834486 is a wasteful number, since it uses less digits than its factorization.

139834486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320.

The product of its digits is 497664, while the sum is 46.

The square root of 139834486 is about 11825.1632546870. The cubic root of 139834486 is about 519.0447031907.

The spelling of 139834486 in words is "one hundred thirty-nine million, eight hundred thirty-four thousand, four hundred eighty-six".