135725814 has 32 divisors (see below), whose sum is σ = 344701440. Its totient is φ = 38778696.

The previous prime is 135725813. The next prime is 135725827. The reversal of 135725814 is 418527531.

135725814 is a `hidden beast` number, since 1 + 3 + 5 + 72 + 581 + 4 = 666.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179154 + ... + 179909.

It is an arithmetic number, because the mean of its divisors is an integer number (10771920).

Almost surely, 2^135725814 is an apocalyptic number.

135725814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135725814 is an abundant number, since it is smaller than the sum of its proper divisors (208975626).

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

135725814 is a wasteful number, since it uses less digits than its factorization.

135725814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359081 (or 359075 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 135725814 is about 11650.1422308914. The cubic root of 135725814 is about 513.9104927742.

The spelling of 135725814 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, eight hundred fourteen".