135648532168186 has 32 divisors (see below), whose sum is σ = 224819044103808. Its totient is φ = 61056409075200.

The previous prime is 135648532168139. The next prime is 135648532168187. The reversal of 135648532168186 is 681861235846531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135648532168187) 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, 13310646 + ... + 21177118.

It is an arithmetic number, because the mean of its divisors is an integer number (7025595128244).

Almost surely, 2^{135648532168186} is an apocalyptic number.

135648532168186 is a deficient number, since it is larger than the sum of its proper divisors (89170511935622).

135648532168186 is a wasteful number, since it uses less digits than its factorization.

135648532168186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888566.

The product of its digits is 199065600, while the sum is 67.

The spelling of 135648532168186 in words is "one hundred thirty-five trillion, six hundred forty-eight billion, five hundred thirty-two million, one hundred sixty-eight thousand, one hundred eighty-six".