136805140144 has 10 divisors (see below), whose sum is σ = 265059959060. Its totient is φ = 68402570064.

The previous prime is 136805140063. The next prime is 136805140169. The reversal of 136805140144 is 441041508631.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275160614 + ... + 4275160645.

It is an arithmetic number, because the mean of its divisors is an integer number (26505995906).

Almost surely, 2^136805140144 is an apocalyptic number.

It is an amenable number.

136805140144 is a deficient number, since it is larger than the sum of its proper divisors (128254818916).

136805140144 is an equidigital number, since it uses as much as digits as its factorization.

136805140144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550321267 (or 8550321261 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 136805140144 its reverse (441041508631), we get a palindrome (577846648775).

The spelling of 136805140144 in words is "one hundred thirty-six billion, eight hundred five million, one hundred forty thousand, one hundred forty-four".