427138275 has 12 divisors (see below), whose sum is σ = 706202072. Its totient is φ = 227807040.

The previous prime is 427138273. The next prime is 427138279. The reversal of 427138275 is 572831724.

It is not a de Polignac number, because 427138275 - 2¹ = 427138273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427138273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2847514 + ... + 2847663.

Almost surely, 2^427138275 is an apocalyptic number.

427138275 is a deficient number, since it is larger than the sum of its proper divisors (279063797).

427138275 is a wasteful number, since it uses less digits than its factorization.

427138275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695190 (or 5695185 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 427138275 is about 20667.3238470780. The cubic root of 427138275 is about 753.1060962410.

Adding to 427138275 its reverse (572831724), we get a palindrome (999969999).

It can be divided in two parts, 42 and 7138275, that added together give a palindrome (7138317).

The spelling of 427138275 in words is "four hundred twenty-seven million, one hundred thirty-eight thousand, two hundred seventy-five".