274138 has 8 divisors (see below), whose sum is σ = 415188. Its totient is φ = 135744.

The previous prime is 274123. The next prime is 274139. The reversal of 274138 is 831472.

It can be written as a sum of positive squares in 2 ways, for example, as 182329 + 91809 = 427^2 + 303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381 + ... + 832.

2²⁷⁴¹³⁸ is an apocalyptic number.

274138 is a deficient number, since it is larger than the sum of its proper divisors (141050).

274138 is a wasteful number, since it uses less digits than its factorization.

274138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its digits is 1344, while the sum is 25.

The square root of 274138 is about 523.5818942630. The cubic root of 274138 is about 64.9615551752.

The spelling of 274138 in words is "two hundred seventy-four thousand, one hundred thirty-eight".