138196276 has 6 divisors (see below), whose sum is σ = 241843490. Its totient is φ = 69098136.

The previous prime is 138196273. The next prime is 138196307. The reversal of 138196276 is 672691831.

138196276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127464100 + 10732176 = 11290^2 + 3276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138196273) 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 as a sum of consecutive naturals, namely, 17274531 + ... + 17274538.

Almost surely, 2^138196276 is an apocalyptic number.

It is an amenable number.

138196276 is a deficient number, since it is larger than the sum of its proper divisors (103647214).

138196276 is a wasteful number, since it uses less digits than its factorization.

138196276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34549073 (or 34549071 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 138196276 is about 11755.6912174487. The cubic root of 138196276 is about 517.0098056796.

The spelling of 138196276 in words is "one hundred thirty-eight million, one hundred ninety-six thousand, two hundred seventy-six".