134945305 has 16 divisors (see below), whose sum is σ = 176883264. Its totient is φ = 98015680.

The previous prime is 134945287. The next prime is 134945329. The reversal of 134945305 is 503549431.

It is not a de Polignac number, because 134945305 - 2⁵ = 134945273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74622 + ... + 76408.

It is an arithmetic number, because the mean of its divisors is an integer number (11055204).

Almost surely, 2^134945305 is an apocalyptic number.

It is an amenable number.

134945305 is a deficient number, since it is larger than the sum of its proper divisors (41937959).

134945305 is a wasteful number, since it uses less digits than its factorization.

134945305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 134945305 is about 11616.5961021291. The cubic root of 134945305 is about 512.9234952860.

The spelling of 134945305 in words is "one hundred thirty-four million, nine hundred forty-five thousand, three hundred five".