135785678282357 has 16 divisors (see below), whose sum is σ = 138740501771520. Its totient is φ = 132833610104832.

The previous prime is 135785678282311. The next prime is 135785678282393. The reversal of 135785678282357 is 753282876587531.

It is a cyclic number.

It is not a de Polignac number, because 135785678282357 - 2¹⁰ = 135785678281333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135785678582357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877357493 + ... + 877512245.

It is an arithmetic number, because the mean of its divisors is an integer number (8671281360720).

Almost surely, 2^{135785678282357} is an apocalyptic number.

It is an amenable number.

135785678282357 is a deficient number, since it is larger than the sum of its proper divisors (2954823489163).

135785678282357 is a wasteful number, since it uses less digits than its factorization.

135785678282357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163532.

The product of its digits is 4741632000, while the sum is 77.

The spelling of 135785678282357 in words is "one hundred thirty-five trillion, seven hundred eighty-five billion, six hundred seventy-eight million, two hundred eighty-two thousand, three hundred fifty-seven".