186142135116 has 144 divisors (see below), whose sum is σ = 522153807840. Its totient is φ = 51426385920.

The previous prime is 186142135079. The next prime is 186142135117. The reversal of 186142135116 is 611531241681.

It is not an unprimeable number, because it can be changed into a prime (186142135117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2690040 + ... + 2758368.

It is an arithmetic number, because the mean of its divisors is an integer number (3626068110).

Almost surely, 2^186142135116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 186142135116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261076903920).

186142135116 is an abundant number, since it is smaller than the sum of its proper divisors (336011672724).

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

186142135116 is a wasteful number, since it uses less digits than its factorization.

186142135116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68504 (or 68495 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

Adding to 186142135116 its reverse (611531241681), we get a palindrome (797673376797).

The spelling of 186142135116 in words is "one hundred eighty-six billion, one hundred forty-two million, one hundred thirty-five thousand, one hundred sixteen".