135844236186 has 16 divisors (see below), whose sum is σ = 273355274784. Its totient is φ = 45003611664.

The previous prime is 135844236163. The next prime is 135844236251. The reversal of 135844236186 is 681632448531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69449041 + ... + 69450996.

It is an arithmetic number, because the mean of its divisors is an integer number (17084704674).

Almost surely, 2^135844236186 is an apocalyptic number.

135844236186 is an abundant number, since it is smaller than the sum of its proper divisors (137511038598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135844236186 is a wasteful number, since it uses less digits than its factorization.

135844236186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138900205.

The product of its digits is 3317760, while the sum is 51.

The spelling of 135844236186 in words is "one hundred thirty-five billion, eight hundred forty-four million, two hundred thirty-six thousand, one hundred eighty-six".