135778325 has 12 divisors (see below), whose sum is σ = 168664800. Its totient is φ = 108429360.

The previous prime is 135778309. The next prime is 135778333. The reversal of 135778325 is 523877531.

It is not a de Polignac number, because 135778325 - 2⁴ = 135778309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10442 + ... + 19508.

It is an arithmetic number, because the mean of its divisors is an integer number (14055400).

Almost surely, 2^135778325 is an apocalyptic number.

It is an amenable number.

135778325 is a deficient number, since it is larger than the sum of its proper divisors (32886475).

135778325 is an equidigital number, since it uses as much as digits as its factorization.

135778325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676 (or 9671 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 135778325 is about 11652.3956764264. The cubic root of 135778325 is about 513.9767598893.

The spelling of 135778325 in words is "one hundred thirty-five million, seven hundred seventy-eight thousand, three hundred twenty-five".