135355525 has 24 divisors (see below), whose sum is σ = 177577920. Its totient is φ = 102061440.

The previous prime is 135355511. The next prime is 135355531. The reversal of 135355525 is 525553531.

It is not a de Polignac number, because 135355525 - 2¹⁵ = 135322757 is a prime.

It is a super-2 number, since 2×135355525² = 36642236296051250, which contains 22 as substring.

It is a congruent number.

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, 110064 + ... + 111286.

It is an arithmetic number, because the mean of its divisors is an integer number (7399080).

Almost surely, 2^135355525 is an apocalyptic number.

It is an amenable number.

135355525 is a deficient number, since it is larger than the sum of its proper divisors (42222395).

135355525 is a wasteful number, since it uses less digits than its factorization.

135355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1480 counting only the distinct ones).

The product of its digits is 56250, while the sum is 34.

The square root of 135355525 is about 11634.2393391231. The cubic root of 135355525 is about 513.4427145992.

The spelling of 135355525 in words is "one hundred thirty-five million, three hundred fifty-five thousand, five hundred twenty-five".