135086625 has 24 divisors (see below), whose sum is σ = 243518184. Its totient is φ = 72045600.

The previous prime is 135086617. The next prime is 135086639. The reversal of 135086625 is 526680531.

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 132987024 = 1449^2 + 11532^2 .

It is not a de Polignac number, because 135086625 - 2³ = 135086617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135086625.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58914 + ... + 61163.

It is an arithmetic number, because the mean of its divisors is an integer number (10146591).

Almost surely, 2^135086625 is an apocalyptic number.

135086625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135086625 is a deficient number, since it is larger than the sum of its proper divisors (108431559).

135086625 is a wasteful number, since it uses less digits than its factorization.

135086625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120098 (or 120085 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 135086625 is about 11622.6771872921. The cubic root of 135086625 is about 513.1024839993.

The spelling of 135086625 in words is "one hundred thirty-five million, eighty-six thousand, six hundred twenty-five".