138735336 has 32 divisors (see below), whose sum is σ = 350740800. Its totient is φ = 45724800.

The previous prime is 138735301. The next prime is 138735341. The reversal of 138735336 is 633537831.

It is a junction number, because it is equal to n+sod(n) for n = 138735294 and 138735303.

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, 30340 + ... + 34611.

It is an arithmetic number, because the mean of its divisors is an integer number (10960650).

Almost surely, 2^138735336 is an apocalyptic number.

It is an amenable number.

138735336 is an abundant number, since it is smaller than the sum of its proper divisors (212005464).

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

138735336 is a wasteful number, since it uses less digits than its factorization.

138735336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65049 (or 65045 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 138735336 is about 11778.5965208084. The cubic root of 138735336 is about 517.6811641380.

The spelling of 138735336 in words is "one hundred thirty-eight million, seven hundred thirty-five thousand, three hundred thirty-six".