139803308 has 24 divisors (see below), whose sum is σ = 259558992. Its totient is φ = 65659904.

The previous prime is 139803299. The next prime is 139803329. The reversal of 139803308 is 803308931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38591 + ... + 42057.

It is an arithmetic number, because the mean of its divisors is an integer number (10814958).

Almost surely, 2^139803308 is an apocalyptic number.

It is an amenable number.

139803308 is a deficient number, since it is larger than the sum of its proper divisors (119755684).

139803308 is a wasteful number, since it uses less digits than its factorization.

139803308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 139803308 is about 11823.8448907282. The cubic root of 139803308 is about 519.0061242986.

The spelling of 139803308 in words is "one hundred thirty-nine million, eight hundred three thousand, three hundred eight".