135553825 has 24 divisors (see below), whose sum is σ = 184363200. Its totient is φ = 98049600.

The previous prime is 135553819. The next prime is 135553837. The reversal of 135553825 is 528355531.

It is not a de Polignac number, because 135553825 - 2¹⁹ = 135029537 is a prime.

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, 53487 + ... + 55963.

It is an arithmetic number, because the mean of its divisors is an integer number (7681800).

Almost surely, 2^135553825 is an apocalyptic number.

It is an amenable number.

135553825 is a deficient number, since it is larger than the sum of its proper divisors (48809375).

135553825 is a wasteful number, since it uses less digits than its factorization.

135553825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2692 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 135553825 is about 11642.7584789860. The cubic root of 135553825 is about 513.6933287003.

The spelling of 135553825 in words is "one hundred thirty-five million, five hundred fifty-three thousand, eight hundred twenty-five".