275756138 has 16 divisors (see below), whose sum is σ = 481645440. Its totient is φ = 115951056.

The previous prime is 275756137. The next prime is 275756141. The reversal of 275756138 is 831657572.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (275756137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185078 + ... + 186561.

It is an arithmetic number, because the mean of its divisors is an integer number (30102840).

Almost surely, 2^275756138 is an apocalyptic number.

275756138 is a deficient number, since it is larger than the sum of its proper divisors (205889302).

275756138 is a wasteful number, since it uses less digits than its factorization.

275756138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371701.

The product of its digits is 352800, while the sum is 44.

The square root of 275756138 is about 16605.9067202005. The cubic root of 275756138 is about 650.8911941220.

The spelling of 275756138 in words is "two hundred seventy-five million, seven hundred fifty-six thousand, one hundred thirty-eight".