272021135 has 4 divisors (see below), whose sum is σ = 326425368. Its totient is φ = 217616904.

The previous prime is 272021117. The next prime is 272021147. The reversal of 272021135 is 531120272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272021135 - 2¹⁶ = 271955599 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 272021135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27202109 + ... + 27202118.

It is an arithmetic number, because the mean of its divisors is an integer number (81606342).

Almost surely, 2^272021135 is an apocalyptic number.

272021135 is a deficient number, since it is larger than the sum of its proper divisors (54404233).

272021135 is an equidigital number, since it uses as much as digits as its factorization.

272021135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54404232.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 272021135 is about 16493.0632388286. The cubic root of 272021135 is about 647.9391414864.

The spelling of 272021135 in words is "two hundred seventy-two million, twenty-one thousand, one hundred thirty-five".