138364276 has 12 divisors (see below), whose sum is σ = 242399808. Its totient is φ = 69107192.

The previous prime is 138364271. The next prime is 138364279. The reversal of 138364276 is 672463831.

138364276 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138364271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14476 + ... + 22051.

It is an arithmetic number, because the mean of its divisors is an integer number (20199984).

Almost surely, 2^138364276 is an apocalyptic number.

It is an amenable number.

138364276 is a deficient number, since it is larger than the sum of its proper divisors (104035532).

138364276 is a wasteful number, since it uses less digits than its factorization.

138364276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37478 (or 37476 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 138364276 is about 11762.8345223420. The cubic root of 138364276 is about 517.2192239483.

The spelling of 138364276 in words is "one hundred thirty-eight million, three hundred sixty-four thousand, two hundred seventy-six".