274550128 has 20 divisors (see below), whose sum is σ = 540958680. Its totient is φ = 134947904.

The previous prime is 274550117. The next prime is 274550147. The reversal of 274550128 is 821055472.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 274550093 and 274550102.

It is a congruent number.

It is an unprimeable number.

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, 144475 + ... + 146362.

It is an arithmetic number, because the mean of its divisors is an integer number (27047934).

Almost surely, 2^274550128 is an apocalyptic number.

It is an amenable number.

274550128 is a deficient number, since it is larger than the sum of its proper divisors (266408552).

274550128 is a wasteful number, since it uses less digits than its factorization.

274550128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290904 (or 290898 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 274550128 is about 16569.5542486815. The cubic root of 274550128 is about 649.9409240195.

The spelling of 274550128 in words is "two hundred seventy-four million, five hundred fifty thousand, one hundred twenty-eight".