272138575 has 12 divisors (see below), whose sum is σ = 337682008. Its totient is φ = 217562400.

The previous prime is 272138569. The next prime is 272138579. The reversal of 272138575 is 575831272.

It is a happy number.

It is not a de Polignac number, because 272138575 - 2⁵ = 272138543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272138579) 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 11 ways as a sum of consecutive naturals, for example, 47569 + ... + 52981.

Almost surely, 2^272138575 is an apocalyptic number.

272138575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

272138575 is a deficient number, since it is larger than the sum of its proper divisors (65543433).

272138575 is a wasteful number, since it uses less digits than its factorization.

272138575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434 (or 7429 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 272138575 is about 16496.6231392973. The cubic root of 272138575 is about 648.0323732429.

The spelling of 272138575 in words is "two hundred seventy-two million, one hundred thirty-eight thousand, five hundred seventy-five".