138627273 has 8 divisors (see below), whose sum is σ = 189344736. Its totient is φ = 90164000.

The previous prime is 138627241. The next prime is 138627331. The reversal of 138627273 is 372726831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138627273 - 2⁵ = 138627241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138627373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563403 + ... + 563648.

It is an arithmetic number, because the mean of its divisors is an integer number (23668092).

Almost surely, 2^138627273 is an apocalyptic number.

It is an amenable number.

138627273 is a deficient number, since it is larger than the sum of its proper divisors (50717463).

138627273 is a wasteful number, since it uses less digits than its factorization.

138627273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127095.

The product of its digits is 84672, while the sum is 39.

The square root of 138627273 is about 11774.0083658880. The cubic root of 138627273 is about 517.5467193929.

The spelling of 138627273 in words is "one hundred thirty-eight million, six hundred twenty-seven thousand, two hundred seventy-three".