134745665 has 8 divisors (see below), whose sum is σ = 162875880. Its totient is φ = 107009152.

The previous prime is 134745659. The next prime is 134745671. The reversal of 134745665 is 566547431.

It is a Cunningham number, because it is equal to 11608²+1.

It is an interprime number because it is at equal distance from previous prime (134745659) and next prime (134745671).

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 134745664 = 1^2 + 11608^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 134745665 - 2⁸ = 134745409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97670 + ... + 99039.

It is an arithmetic number, because the mean of its divisors is an integer number (20359485).

Almost surely, 2^134745665 is an apocalyptic number.

It is an amenable number.

134745665 is a deficient number, since it is larger than the sum of its proper divisors (28130215).

134745665 is a wasteful number, since it uses less digits than its factorization.

134745665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196851.

The product of its digits is 302400, while the sum is 41.

The square root of 134745665 is about 11608.0000430737. Note that the first 4 decimals coincide. The cubic root of 134745665 is about 512.6704283477.

The spelling of 134745665 in words is "one hundred thirty-four million, seven hundred forty-five thousand, six hundred sixty-five".