271133906 has 4 divisors (see below), whose sum is σ = 406700862. Its totient is φ = 135566952.

The previous prime is 271133897. The next prime is 271133909. The reversal of 271133906 is 609331172.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 270898681 + 235225 = 16459^2 + 485^2 .

It is not an unprimeable number, because it can be changed into a prime (271133909) 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 as a sum of consecutive naturals, namely, 67783475 + ... + 67783478.

Almost surely, 2^271133906 is an apocalyptic number.

271133906 is a deficient number, since it is larger than the sum of its proper divisors (135566956).

271133906 is a wasteful number, since it uses less digits than its factorization.

271133906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135566955.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 271133906 is about 16466.1442359770. The cubic root of 271133906 is about 647.2339309224.

The spelling of 271133906 in words is "two hundred seventy-one million, one hundred thirty-three thousand, nine hundred six".