272134991 has 2 divisors, whose sum is σ = 272134992. Its totient is φ = 272134990.

The previous prime is 272134979. The next prime is 272135009. The reversal of 272134991 is 199431272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272134991 - 2¹⁴ = 272118607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272134921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136067495 + 136067496.

It is an arithmetic number, because the mean of its divisors is an integer number (136067496).

Almost surely, 2^272134991 is an apocalyptic number.

272134991 is a deficient number, since it is larger than the sum of its proper divisors (1).

272134991 is an equidigital number, since it uses as much as digits as its factorization.

272134991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 272134991 is about 16496.5145106474. The cubic root of 272134991 is about 648.0295284199.

The spelling of 272134991 in words is "two hundred seventy-two million, one hundred thirty-four thousand, nine hundred ninety-one".