138814276 has 6 divisors (see below), whose sum is σ = 242924990. Its totient is φ = 69407136.

The previous prime is 138814259. The next prime is 138814283. The reversal of 138814276 is 672418831.

It can be written as a sum of positive squares in only one way, i.e., 86974276 + 51840000 = 9326^2 + 7200^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17351781 + ... + 17351788.

Almost surely, 2^138814276 is an apocalyptic number.

It is an amenable number.

138814276 is a deficient number, since it is larger than the sum of its proper divisors (104110714).

138814276 is a wasteful number, since it uses less digits than its factorization.

138814276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34703573 (or 34703571 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 138814276 is about 11781.9470377353. The cubic root of 138814276 is about 517.7793318769.

The spelling of 138814276 in words is "one hundred thirty-eight million, eight hundred fourteen thousand, two hundred seventy-six".