275042128 has 10 divisors (see below), whose sum is σ = 532894154. Its totient is φ = 137521056.

The previous prime is 275042111. The next prime is 275042149. The reversal of 275042128 is 821240572.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 233722944 + 41319184 = 15288^2 + 6428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 275042128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8595051 + ... + 8595082.

Almost surely, 2^275042128 is an apocalyptic number.

It is an amenable number.

275042128 is a deficient number, since it is larger than the sum of its proper divisors (257852026).

275042128 is a wasteful number, since it uses less digits than its factorization.

275042128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17190141 (or 17190135 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 275042128 is about 16584.3941101265. The cubic root of 275042128 is about 650.3289285886.

The spelling of 275042128 in words is "two hundred seventy-five million, forty-two thousand, one hundred twenty-eight".