135660664 has 16 divisors (see below), whose sum is σ = 256195800. Its totient is φ = 67341792.

The previous prime is 135660661. The next prime is 135660667. The reversal of 135660664 is 466066531.

It is an interprime number because it is at equal distance from previous prime (135660661) and next prime (135660667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135660661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59887 + ... + 62110.

Almost surely, 2^135660664 is an apocalyptic number.

It is an amenable number.

135660664 is a deficient number, since it is larger than the sum of its proper divisors (120535136).

135660664 is a wasteful number, since it uses less digits than its factorization.

135660664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122142 (or 122138 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 135660664 is about 11647.3457920678. The cubic root of 135660664 is about 513.8282519040.

The spelling of 135660664 in words is "one hundred thirty-five million, six hundred sixty thousand, six hundred sixty-four".