136868523 has 8 divisors (see below), whose sum is σ = 199081536. Its totient is φ = 82950600.

The previous prime is 136868521. The next prime is 136868549. The reversal of 136868523 is 325868631.

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

It is not a de Polignac number, because 136868523 - 2¹ = 136868521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136868521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073733 + ... + 2073798.

It is an arithmetic number, because the mean of its divisors is an integer number (24885192).

Almost surely, 2^136868523 is an apocalyptic number.

136868523 is a deficient number, since it is larger than the sum of its proper divisors (62213013).

136868523 is a wasteful number, since it uses less digits than its factorization.

136868523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147545.

The product of its digits is 207360, while the sum is 42.

The square root of 136868523 is about 11699.0821434846. The cubic root of 136868523 is about 515.3487103243.

The spelling of 136868523 in words is "one hundred thirty-six million, eight hundred sixty-eight thousand, five hundred twenty-three".