266146042 has 8 divisors (see below), whose sum is σ = 399318516. Its totient is φ = 133039872.

The previous prime is 266146039. The next prime is 266146061. The reversal of 266146042 is 240641662.

It can be written as a sum of positive squares in 2 ways, for example, as 248346081 + 17799961 = 15759^2 + 4219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 266145995 and 266146013.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4893 + ... + 23584.

Almost surely, 2^266146042 is an apocalyptic number.

266146042 is a deficient number, since it is larger than the sum of its proper divisors (133172474).

266146042 is a wasteful number, since it uses less digits than its factorization.

266146042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33152.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 266146042 is about 16313.9830207096. The cubic root of 266146042 is about 643.2404355169.

The spelling of 266146042 in words is "two hundred sixty-six million, one hundred forty-six thousand, forty-two".