36805555138 has 8 divisors (see below), whose sum is σ = 60227272080. Its totient is φ = 16729797780.

The previous prime is 36805555133. The next prime is 36805555211. The reversal of 36805555138 is 83155550863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 36805555091 and 36805555100.

It is not an unprimeable number, because it can be changed into a prime (36805555133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836489868 + ... + 836489911.

It is an arithmetic number, because the mean of its divisors is an integer number (7528409010).

Almost surely, 2^36805555138 is an apocalyptic number.

36805555138 is a deficient number, since it is larger than the sum of its proper divisors (23421716942).

36805555138 is a wasteful number, since it uses less digits than its factorization.

36805555138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672979792.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 36805555138 in words is "thirty-six billion, eight hundred five million, five hundred fifty-five thousand, one hundred thirty-eight".