134665361 has 4 divisors (see below), whose sum is σ = 137949924. Its totient is φ = 131380800.

The previous prime is 134665351. The next prime is 134665367. The reversal of 134665361 is 163566431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66520336 + 68145025 = 8156^2 + 8255^2 .

It is a cyclic number.

It is not a de Polignac number, because 134665361 - 2¹⁰ = 134664337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134665367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642220 + ... + 1642301.

It is an arithmetic number, because the mean of its divisors is an integer number (34487481).

Almost surely, 2^134665361 is an apocalyptic number.

It is an amenable number.

134665361 is a deficient number, since it is larger than the sum of its proper divisors (3284563).

134665361 is an equidigital number, since it uses as much as digits as its factorization.

134665361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284562.

The product of its digits is 38880, while the sum is 35.

The square root of 134665361 is about 11604.5405337738. The cubic root of 134665361 is about 512.5685631848.

The spelling of 134665361 in words is "one hundred thirty-four million, six hundred sixty-five thousand, three hundred sixty-one".