139576018 has 24 divisors (see below), whose sum is σ = 224477172. Its totient is φ = 65071104.

The previous prime is 139576009. The next prime is 139576067. The reversal of 139576018 is 810675931.

139576018 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 6 ways, for example, as 28547649 + 111028369 = 5343^2 + 10537^2 .

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 64246 + ... + 66382.

Almost surely, 2^139576018 is an apocalyptic number.

139576018 is a deficient number, since it is larger than the sum of its proper divisors (84901154).

139576018 is a wasteful number, since it uses less digits than its factorization.

139576018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 139576018 is about 11814.2294712774. The cubic root of 139576018 is about 518.7247077619.

The spelling of 139576018 in words is "one hundred thirty-nine million, five hundred seventy-six thousand, eighteen".