274133161 has 4 divisors (see below), whose sum is σ = 276794752. Its totient is φ = 271471572.

The previous prime is 274133129. The next prime is 274133173. The reversal of 274133161 is 161331472.

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 not a de Polignac number, because 274133161 - 2⁵ = 274133129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274143161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330641 + ... + 1330846.

It is an arithmetic number, because the mean of its divisors is an integer number (69198688).

Almost surely, 2^274133161 is an apocalyptic number.

It is an amenable number.

274133161 is a deficient number, since it is larger than the sum of its proper divisors (2661591).

274133161 is a wasteful number, since it uses less digits than its factorization.

274133161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661590.

The product of its digits is 3024, while the sum is 28.

The square root of 274133161 is about 16556.9671437736. The cubic root of 274133161 is about 649.6117294582.

The spelling of 274133161 in words is "two hundred seventy-four million, one hundred thirty-three thousand, one hundred sixty-one".