135510660 has 72 divisors (see below), whose sum is σ = 432694080. Its totient is φ = 34233408.

The previous prime is 135510659. The next prime is 135510667. The reversal of 135510660 is 66015531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135510667) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16392 + ... + 23231.

It is an arithmetic number, because the mean of its divisors is an integer number (6009640).

Almost surely, 2^135510660 is an apocalyptic number.

135510660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135510660 is an abundant number, since it is smaller than the sum of its proper divisors (297183420).

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

135510660 is a wasteful number, since it uses less digits than its factorization.

135510660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39657 (or 39652 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 135510660 is about 11640.9046040246. The cubic root of 135510660 is about 513.6387970372.

The spelling of 135510660 in words is "one hundred thirty-five million, five hundred ten thousand, six hundred sixty".