136609768550 has 12 divisors (see below), whose sum is σ = 254094169596. Its totient is φ = 54643907400.

The previous prime is 136609768543. The next prime is 136609768553. The reversal of 136609768550 is 55867906631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136609768553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1366097636 + ... + 1366097735.

It is an arithmetic number, because the mean of its divisors is an integer number (21174514133).

Almost surely, 2^136609768550 is an apocalyptic number.

136609768550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136609768550 is a deficient number, since it is larger than the sum of its proper divisors (117484401046).

136609768550 is a wasteful number, since it uses less digits than its factorization.

136609768550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732195383 (or 2732195378 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 136609768550 in words is "one hundred thirty-six billion, six hundred nine million, seven hundred sixty-eight thousand, five hundred fifty".