135003656 has 8 divisors (see below), whose sum is σ = 253131870. Its totient is φ = 67501824.

The previous prime is 135003641. The next prime is 135003679. The reversal of 135003656 is 656300531.

It can be written as a sum of positive squares in only one way, i.e., 115906756 + 19096900 = 10766^2 + 4370^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437721 + ... + 8437736.

Almost surely, 2^135003656 is an apocalyptic number.

It is an amenable number.

135003656 is a deficient number, since it is larger than the sum of its proper divisors (118128214).

135003656 is a wasteful number, since it uses less digits than its factorization.

135003656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16875463 (or 16875459 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 135003656 is about 11619.1073667472. The cubic root of 135003656 is about 512.9974148294.

The spelling of 135003656 in words is "one hundred thirty-five million, three thousand, six hundred fifty-six".