138341936 has 20 divisors (see below), whose sum is σ = 268230600. Its totient is φ = 69121152.

The previous prime is 138341923. The next prime is 138341981. The reversal of 138341936 is 639143831.

It is a happy number.

138341936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 138341936.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31355 + ... + 35493.

It is an arithmetic number, because the mean of its divisors is an integer number (13411530).

Almost surely, 2^138341936 is an apocalyptic number.

138341936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138341936 is a deficient number, since it is larger than the sum of its proper divisors (129888664).

138341936 is a wasteful number, since it uses less digits than its factorization.

138341936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236 (or 6230 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 138341936 is about 11761.8848829599. The cubic root of 138341936 is about 517.1913860802.

The spelling of 138341936 in words is "one hundred thirty-eight million, three hundred forty-one thousand, nine hundred thirty-six".