135510812 has 12 divisors (see below), whose sum is σ = 249625320. Its totient is φ = 64189296.

The previous prime is 135510811. The next prime is 135510821. The reversal of 135510812 is 218015531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135510811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891443 + ... + 891594.

It is an arithmetic number, because the mean of its divisors is an integer number (20802110).

Almost surely, 2^135510812 is an apocalyptic number.

It is an amenable number.

135510812 is a deficient number, since it is larger than the sum of its proper divisors (114114508).

135510812 is a wasteful number, since it uses less digits than its factorization.

135510812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783060 (or 1783058 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 135510812 is about 11640.9111327250. The cubic root of 135510812 is about 513.6389890838.

It can be divided in two parts, 1355 and 10812, that added together give a cube (12167 = 23³).

The spelling of 135510812 in words is "one hundred thirty-five million, five hundred ten thousand, eight hundred twelve".