272138867 has 16 divisors (see below), whose sum is σ = 365390592. Its totient is φ = 195743520.

The previous prime is 272138851. The next prime is 272138869. The reversal of 272138867 is 768831272.

It is a happy number.

It is not a de Polignac number, because 272138867 - 2⁴ = 272138851 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (272138869) 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 15 ways as a sum of consecutive naturals, for example, 134933 + ... + 136934.

It is an arithmetic number, because the mean of its divisors is an integer number (22836912).

Almost surely, 2^272138867 is an apocalyptic number.

272138867 is a deficient number, since it is larger than the sum of its proper divisors (93251725).

272138867 is a wasteful number, since it uses less digits than its factorization.

272138867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271898.

The product of its digits is 225792, while the sum is 44.

The square root of 272138867 is about 16496.6319895911. The cubic root of 272138867 is about 648.0326050187.

The spelling of 272138867 in words is "two hundred seventy-two million, one hundred thirty-eight thousand, eight hundred sixty-seven".