135263625 has 48 divisors (see below), whose sum is σ = 258370944. Its totient is φ = 61562400.

The previous prime is 135263593. The next prime is 135263629. The reversal of 135263625 is 526362531.

135263625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135263625 - 2⁵ = 135263593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135263629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 595762 + ... + 595988.

It is an arithmetic number, because the mean of its divisors is an integer number (5382728).

Almost surely, 2^135263625 is an apocalyptic number.

135263625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135263625 is a deficient number, since it is larger than the sum of its proper divisors (123107319).

135263625 is an frugal number, since it uses more digits than its factorization.

135263625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 242 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 135263625 is about 11630.2891193641. The cubic root of 135263625 is about 513.3264871840.

The spelling of 135263625 in words is "one hundred thirty-five million, two hundred sixty-three thousand, six hundred twenty-five".