135061525 has 12 divisors (see below), whose sum is σ = 169837344. Its totient is φ = 106526000.

The previous prime is 135061523. The next prime is 135061541. The reversal of 135061525 is 525160531.

It is not a de Polignac number, because 135061525 - 2¹ = 135061523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135061493 and 135061502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135061523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36271 + ... + 39820.

It is an arithmetic number, because the mean of its divisors is an integer number (14153112).

Almost surely, 2^135061525 is an apocalyptic number.

It is an amenable number.

135061525 is a deficient number, since it is larger than the sum of its proper divisors (34775819).

135061525 is an equidigital number, since it uses as much as digits as its factorization.

135061525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76172 (or 76167 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 135061525 is about 11621.5973514831. The cubic root of 135061525 is about 513.0707027378.

The spelling of 135061525 in words is "one hundred thirty-five million, sixty-one thousand, five hundred twenty-five".