275670146 has 4 divisors (see below), whose sum is σ = 413505222. Its totient is φ = 137835072.

The previous prime is 275670139. The next prime is 275670151. The reversal of 275670146 is 641076572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 271887121 + 3783025 = 16489^2 + 1945^2 .

It is a super-2 number, since 2×275670146² = 151988058791322632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68917535 + ... + 68917538.

Almost surely, 2^275670146 is an apocalyptic number.

275670146 is a deficient number, since it is larger than the sum of its proper divisors (137835076).

275670146 is a wasteful number, since it uses less digits than its factorization.

275670146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137835075.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 275670146 is about 16603.3173191384. The cubic root of 275670146 is about 650.8235289559.

The spelling of 275670146 in words is "two hundred seventy-five million, six hundred seventy thousand, one hundred forty-six".