135459712 has 32 divisors (see below), whose sum is σ = 271519920. Its totient is φ = 67313664.

The previous prime is 135459659. The next prime is 135459713. The reversal of 135459712 is 217954531.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135459713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18208 + ... + 24544.

Almost surely, 2^135459712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135459712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135759960).

135459712 is an abundant number, since it is smaller than the sum of its proper divisors (136060208).

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

135459712 is an equidigital number, since it uses as much as digits as its factorization.

135459712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518 (or 6506 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 135459712 is about 11638.7160803931. The cubic root of 135459712 is about 513.5744179699.

The spelling of 135459712 in words is "one hundred thirty-five million, four hundred fifty-nine thousand, seven hundred twelve".