135756825 has 24 divisors (see below), whose sum is σ = 225485568. Its totient is φ = 72070080.

The previous prime is 135756809. The next prime is 135756853. The reversal of 135756825 is 528657531.

It is not a de Polignac number, because 135756825 - 2⁴ = 135756809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12667 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (9395232).

Almost surely, 2^135756825 is an apocalyptic number.

135756825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135756825 is a deficient number, since it is larger than the sum of its proper divisors (89728743).

135756825 is a wasteful number, since it uses less digits than its factorization.

135756825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353 (or 8348 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 135756825 is about 11651.4730828338. The cubic root of 135756825 is about 513.9496296787.

The spelling of 135756825 in words is "one hundred thirty-five million, seven hundred fifty-six thousand, eight hundred twenty-five".