134629609 has 9 divisors (see below), whose sum is σ = 138482679. Its totient is φ = 130881840.

The previous prime is 134629591. The next prime is 134629619. The reversal of 134629609 is 906926431.

The square root of 134629609 is 11603.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 128142400 = 2547^2 + 11320^2 .

It is not a de Polignac number, because 134629609 - 2⁵ = 134629577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134629619) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 475582 + ... + 475864.

Almost surely, 2^134629609 is an apocalyptic number.

134629609 is the 11603-rd square number.

134629609 is the 5802-nd centered octagonal number.

It is an amenable number.

134629609 is a deficient number, since it is larger than the sum of its proper divisors (3853070).

134629609 is an frugal number, since it uses more digits than its factorization.

134629609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The cubic root of 134629609 is about 512.5231989499.

The spelling of 134629609 in words is "one hundred thirty-four million, six hundred twenty-nine thousand, six hundred nine".