135126872 has 8 divisors (see below), whose sum is σ = 253362900. Its totient is φ = 67563432.

The previous prime is 135126853. The next prime is 135126877. The reversal of 135126872 is 278621531.

It is a happy number.

135126872 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135126877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8445422 + ... + 8445437.

Almost surely, 2^135126872 is an apocalyptic number.

It is an amenable number.

135126872 is a deficient number, since it is larger than the sum of its proper divisors (118236028).

135126872 is a wasteful number, since it uses less digits than its factorization.

135126872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890865 (or 16890861 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 135126872 is about 11624.4084580679. The cubic root of 135126872 is about 513.1534359598.

The spelling of 135126872 in words is "one hundred thirty-five million, one hundred twenty-six thousand, eight hundred seventy-two".