139919308 has 6 divisors (see below), whose sum is σ = 244858796. Its totient is φ = 69959652.

The previous prime is 139919293. The next prime is 139919317. The reversal of 139919308 is 803919931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17489910 + ... + 17489917.

Almost surely, 2^139919308 is an apocalyptic number.

It is an amenable number.

139919308 is a deficient number, since it is larger than the sum of its proper divisors (104939488).

139919308 is a wasteful number, since it uses less digits than its factorization.

139919308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34979831 (or 34979829 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 139919308 is about 11828.7492153651. The cubic root of 139919308 is about 519.1496308379.

The spelling of 139919308 in words is "one hundred thirty-nine million, nine hundred nineteen thousand, three hundred eight".