274087138 has 8 divisors (see below), whose sum is σ = 442756188. Its totient is φ = 126501744.

The previous prime is 274087133. The next prime is 274087147. The reversal of 274087138 is 831780472.

274087138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 262342809 + 11744329 = 16197^2 + 3427^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 274087138.

It is not an unprimeable number, because it can be changed into a prime (274087133) 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, 5270881 + ... + 5270932.

Almost surely, 2^274087138 is an apocalyptic number.

274087138 is a deficient number, since it is larger than the sum of its proper divisors (168669050).

274087138 is a wasteful number, since it uses less digits than its factorization.

274087138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541828.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 274087138 is about 16555.5772475622. The cubic root of 274087138 is about 649.5753739466.

The spelling of 274087138 in words is "two hundred seventy-four million, eighty-seven thousand, one hundred thirty-eight".