139934336 has 16 divisors (see below), whose sum is σ = 278775690. Its totient is φ = 69967104.

The previous prime is 139934317. The next prime is 139934339. The reversal of 139934336 is 633439931.

139934336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 92929600 + 47004736 = 9640^2 + 6856^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 139934293 and 139934302.

It is not an unprimeable number, because it can be changed into a prime (139934339) by changing a digit.

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 as a sum of consecutive naturals, namely, 546491 + ... + 546746.

Almost surely, 2^139934336 is an apocalyptic number.

139934336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139934336 is a deficient number, since it is larger than the sum of its proper divisors (138841354).

139934336 is an equidigital number, since it uses as much as digits as its factorization.

139934336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093251 (or 1093239 counting only the distinct ones).

The product of its digits is 157464, while the sum is 41.

The square root of 139934336 is about 11829.3844303074. The cubic root of 139934336 is about 519.1682165534.

The spelling of 139934336 in words is "one hundred thirty-nine million, nine hundred thirty-four thousand, three hundred thirty-six".