135583161725 has 48 divisors (see below), whose sum is σ = 191625056640. Its totient is φ = 94198579200.

The previous prime is 135583161719. The next prime is 135583161733. The reversal of 135583161725 is 527161385531.

It is not a de Polignac number, because 135583161725 - 2²⁸ = 135314726269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135583161725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5103677 + ... + 5130173.

It is an arithmetic number, because the mean of its divisors is an integer number (3992188680).

Almost surely, 2^135583161725 is an apocalyptic number.

It is an amenable number.

135583161725 is a deficient number, since it is larger than the sum of its proper divisors (56041894915).

135583161725 is a wasteful number, since it uses less digits than its factorization.

135583161725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27350 (or 27345 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The spelling of 135583161725 in words is "one hundred thirty-five billion, five hundred eighty-three million, one hundred sixty-one thousand, seven hundred twenty-five".