272438149 has 2 divisors, whose sum is σ = 272438150. Its totient is φ = 272438148.

The previous prime is 272438143. The next prime is 272438189. The reversal of 272438149 is 941834272.

It is an a-pointer prime, because the next prime (272438189) can be obtained adding 272438149 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213685924 + 58752225 = 14618^2 + 7665^2 .

It is a cyclic number.

It is not a de Polignac number, because 272438149 - 2⁷ = 272438021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272438143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136219074 + 136219075.

It is an arithmetic number, because the mean of its divisors is an integer number (136219075).

Almost surely, 2^272438149 is an apocalyptic number.

It is an amenable number.

272438149 is a deficient number, since it is larger than the sum of its proper divisors (1).

272438149 is an equidigital number, since it uses as much as digits as its factorization.

272438149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 272438149 is about 16505.7005001303. The cubic root of 272438149 is about 648.2700737829.

The spelling of 272438149 in words is "two hundred seventy-two million, four hundred thirty-eight thousand, one hundred forty-nine".