272898133 has 4 divisors (see below), whose sum is σ = 273787360. Its totient is φ = 272008908.

The previous prime is 272898103. The next prime is 272898139. The reversal of 272898133 is 331898272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272898133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272898133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272898139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444153 + ... + 444766.

It is an arithmetic number, because the mean of its divisors is an integer number (68446840).

Almost surely, 2^272898133 is an apocalyptic number.

It is an amenable number.

272898133 is a deficient number, since it is larger than the sum of its proper divisors (889227).

272898133 is an equidigital number, since it uses as much as digits as its factorization.

272898133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889226.

The product of its digits is 145152, while the sum is 43.

The square root of 272898133 is about 16519.6287185881. The cubic root of 272898133 is about 648.6347145851.

The spelling of 272898133 in words is "two hundred seventy-two million, eight hundred ninety-eight thousand, one hundred thirty-three".