136568079 has 16 divisors (see below), whose sum is σ = 202775040. Its totient is φ = 90842040.

The previous prime is 136568077. The next prime is 136568087. The reversal of 136568079 is 970865631.

It is a happy number.

136568079 is a `hidden beast` number, since 13 + 6 + 568 + 0 + 79 = 666.

136568079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136568079 - 2¹ = 136568077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136568077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7194 + ... + 18024.

It is an arithmetic number, because the mean of its divisors is an integer number (12673440).

Almost surely, 2^136568079 is an apocalyptic number.

136568079 is a deficient number, since it is larger than the sum of its proper divisors (66206961).

136568079 is a wasteful number, since it uses less digits than its factorization.

136568079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307 (or 11301 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 136568079 is about 11686.2345945989. The cubic root of 136568079 is about 514.9713485176.

The spelling of 136568079 in words is "one hundred thirty-six million, five hundred sixty-eight thousand, seventy-nine".