138803016 has 32 divisors (see below), whose sum is σ = 378554400. Its totient is φ = 42061440.

The previous prime is 138802997. The next prime is 138803017. The reversal of 138803016 is 610308831.

It is not an unprimeable number, because it can be changed into a prime (138803017) by changing a digit.

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, 262621 + ... + 263148.

It is an arithmetic number, because the mean of its divisors is an integer number (11829825).

Almost surely, 2^138803016 is an apocalyptic number.

It is an amenable number.

138803016 is an abundant number, since it is smaller than the sum of its proper divisors (239751384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138803016 is a wasteful number, since it uses less digits than its factorization.

138803016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525789 (or 525785 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 138803016 is about 11781.4691783326. The cubic root of 138803016 is about 517.7653315087.

The spelling of 138803016 in words is "one hundred thirty-eight million, eight hundred three thousand, sixteen".