134608644 has 18 divisors (see below), whose sum is σ = 340260830. Its totient is φ = 44869536.

The previous prime is 134608637. The next prime is 134608679. The reversal of 134608644 is 446806431.

134608644 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 0 + 8 + 644 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98247744 + 36360900 = 9912^2 + 6030^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3739129 = 134608644 / (1 + 3 + 4 + 6 + 0 + 8 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 134608599 and 134608608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1869529 + ... + 1869600.

Almost surely, 2^134608644 is an apocalyptic number.

It is an amenable number.

134608644 is an abundant number, since it is smaller than the sum of its proper divisors (205652186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134608644 is a wasteful number, since it uses less digits than its factorization.

134608644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739139 (or 3739134 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 134608644 is about 11602.0965346785. The cubic root of 134608644 is about 512.4965935923.

The spelling of 134608644 in words is "one hundred thirty-four million, six hundred eight thousand, six hundred forty-four".