274149 has 12 divisors (see below), whose sum is σ = 401856. Its totient is φ = 180072.

The previous prime is 274147. The next prime is 274163. The reversal of 274149 is 941472.

It is a happy number.

It is not a de Polignac number, because 274149 - 2¹ = 274147 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274149.

It is not an unprimeable number, because it can be changed into a prime (274147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (33488).

2²⁷⁴¹⁴⁹ is an apocalyptic number.

It is an amenable number.

274149 is a deficient number, since it is larger than the sum of its proper divisors (127707).

274149 is a wasteful number, since it uses less digits than its factorization.

274149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 453 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 274149 is about 523.5923987225. The cubic root of 274149 is about 64.9624240412.

The spelling of 274149 in words is "two hundred seventy-four thousand, one hundred forty-nine".