134859566 has 4 divisors (see below), whose sum is σ = 202289352. Its totient is φ = 67429782.

The previous prime is 134859551. The next prime is 134859577. The reversal of 134859566 is 665958431.

It is a happy number.

134859566 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665958431 = 89 ⋅7482679.

It is a self number, because there is not a number n which added to its sum of digits gives 134859566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33714890 + ... + 33714893.

It is an arithmetic number, because the mean of its divisors is an integer number (50572338).

Almost surely, 2^134859566 is an apocalyptic number.

134859566 is a deficient number, since it is larger than the sum of its proper divisors (67429786).

134859566 is an equidigital number, since it uses as much as digits as its factorization.

134859566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67429785.

The product of its digits is 777600, while the sum is 47.

The square root of 134859566 is about 11612.9051490142. The cubic root of 134859566 is about 512.8148417226.

The spelling of 134859566 in words is "one hundred thirty-four million, eight hundred fifty-nine thousand, five hundred sixty-six".