135779851 has 8 divisors (see below), whose sum is σ = 139507200. Its totient is φ = 132087528.

The previous prime is 135779849. The next prime is 135779857. The reversal of 135779851 is 158977531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135779851 - 2¹ = 135779849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135779857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 801 + ... + 16498.

It is an arithmetic number, because the mean of its divisors is an integer number (17438400).

Almost surely, 2^135779851 is an apocalyptic number.

135779851 is a deficient number, since it is larger than the sum of its proper divisors (3727349).

135779851 is a wasteful number, since it uses less digits than its factorization.

135779851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513.

The product of its digits is 264600, while the sum is 46.

The square root of 135779851 is about 11652.4611563395. The cubic root of 135779851 is about 513.9786853945.

The spelling of 135779851 in words is "one hundred thirty-five million, seven hundred seventy-nine thousand, eight hundred fifty-one".