135879686 has 8 divisors (see below), whose sum is σ = 204009624. Its totient is φ = 67876480.

The previous prime is 135879683. The next prime is 135879707. The reversal of 135879686 is 686978531.

It is a happy number.

135879686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-4 number, since 4×135879686⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135879683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28955 + ... + 33318.

It is an arithmetic number, because the mean of its divisors is an integer number (25501203).

Almost surely, 2^135879686 is an apocalyptic number.

135879686 is a deficient number, since it is larger than the sum of its proper divisors (68129938).

135879686 is a wasteful number, since it uses less digits than its factorization.

135879686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63366.

The product of its digits is 2177280, while the sum is 53.

The square root of 135879686 is about 11656.7442281282. The cubic root of 135879686 is about 514.1046257567.

The spelling of 135879686 in words is "one hundred thirty-five million, eight hundred seventy-nine thousand, six hundred eighty-six".