135102568 has 8 divisors (see below), whose sum is σ = 253317330. Its totient is φ = 67551280.

The previous prime is 135102551. The next prime is 135102571. The reversal of 135102568 is 865201531.

It can be written as a sum of positive squares in only one way, i.e., 135070884 + 31684 = 11622^2 + 178^2 .

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, 8443903 + ... + 8443918.

Almost surely, 2^135102568 is an apocalyptic number.

It is an amenable number.

135102568 is a deficient number, since it is larger than the sum of its proper divisors (118214762).

135102568 is a wasteful number, since it uses less digits than its factorization.

135102568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16887827 (or 16887823 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 135102568 is about 11623.3630245295. The cubic root of 135102568 is about 513.1226687539.

The spelling of 135102568 in words is "one hundred thirty-five million, one hundred two thousand, five hundred sixty-eight".