135800218844 has 6 divisors (see below), whose sum is σ = 237650382984. Its totient is φ = 67900109420.

The previous prime is 135800218837. The next prime is 135800218849. The reversal of 135800218844 is 448812008531.

It is a junction number, because it is equal to n+sod(n) for n = 135800218795 and 135800218804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135800218849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16975027352 + ... + 16975027359.

It is an arithmetic number, because the mean of its divisors is an integer number (39608397164).

Almost surely, 2^135800218844 is an apocalyptic number.

It is an amenable number.

135800218844 is a deficient number, since it is larger than the sum of its proper divisors (101850164140).

135800218844 is a wasteful number, since it uses less digits than its factorization.

135800218844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33950054715 (or 33950054713 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 135800218844 in words is "one hundred thirty-five billion, eight hundred million, two hundred eighteen thousand, eight hundred forty-four".