134885866 has 4 divisors (see below), whose sum is σ = 202328802. Its totient is φ = 67442932.

The previous prime is 134885857. The next prime is 134885879. The reversal of 134885866 is 668588431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668588431 = 7 ⋅95512633.

It can be written as a sum of positive squares in only one way, i.e., 81522841 + 53363025 = 9029^2 + 7305^2 .

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, 33721465 + ... + 33721468.

Almost surely, 2^134885866 is an apocalyptic number.

134885866 is a deficient number, since it is larger than the sum of its proper divisors (67442936).

134885866 is an equidigital number, since it uses as much as digits as its factorization.

134885866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67442935.

The product of its digits is 1105920, while the sum is 49.

The square root of 134885866 is about 11614.0374547355. The cubic root of 134885866 is about 512.8481755431.

The spelling of 134885866 in words is "one hundred thirty-four million, eight hundred eighty-five thousand, eight hundred sixty-six".