135725812 has 24 divisors (see below), whose sum is σ = 246193920. Its totient is φ = 65402880.

The previous prime is 135725803. The next prime is 135725813. The reversal of 135725812 is 218527531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135725813) 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 7 ways as a sum of consecutive naturals, for example, 29739 + ... + 33997.

It is an arithmetic number, because the mean of its divisors is an integer number (10258080).

Almost surely, 2^135725812 is an apocalyptic number.

It is an amenable number.

135725812 is a deficient number, since it is larger than the sum of its proper divisors (110468108).

135725812 is a wasteful number, since it uses less digits than its factorization.

135725812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551 (or 4549 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 135725812 is about 11650.1421450556. The cubic root of 135725812 is about 513.9104902499.

The spelling of 135725812 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, eight hundred twelve".