135000664 has 8 divisors (see below), whose sum is σ = 253126260. Its totient is φ = 67500328.

The previous prime is 135000661. The next prime is 135000703. The reversal of 135000664 is 466000531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135000661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437534 + ... + 8437549.

Almost surely, 2^135000664 is an apocalyptic number.

It is an amenable number.

135000664 is a deficient number, since it is larger than the sum of its proper divisors (118125596).

135000664 is a wasteful number, since it uses less digits than its factorization.

135000664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16875089 (or 16875085 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 135000664 is about 11618.9786125976. The cubic root of 135000664 is about 512.9936250565.

The spelling of 135000664 in words is "one hundred thirty-five million, six hundred sixty-four", and thus it is an aban number.