138314836 has 24 divisors (see below), whose sum is σ = 264398400. Its totient is φ = 62788800.

The previous prime is 138314819. The next prime is 138314837. The reversal of 138314836 is 638413831.

It is a junction number, because it is equal to n+sod(n) for n = 138314795 and 138314804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138314837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43840 + ... + 46888.

It is an arithmetic number, because the mean of its divisors is an integer number (11016600).

Almost surely, 2^138314836 is an apocalyptic number.

It is an amenable number.

138314836 is a deficient number, since it is larger than the sum of its proper divisors (126083564).

138314836 is a wasteful number, since it uses less digits than its factorization.

138314836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095 (or 4093 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 138314836 is about 11760.7328002978. The cubic root of 138314836 is about 517.1576127543.

The spelling of 138314836 in words is "one hundred thirty-eight million, three hundred fourteen thousand, eight hundred thirty-six".