136120555266 has 16 divisors (see below), whose sum is σ = 272273365344. Its totient is φ = 45368142624.

The previous prime is 136120555229. The next prime is 136120555271. The reversal of 136120555266 is 662555021631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288915 + ... + 1390518.

It is an arithmetic number, because the mean of its divisors is an integer number (17017085334).

Almost surely, 2^136120555266 is an apocalyptic number.

136120555266 is an abundant number, since it is smaller than the sum of its proper divisors (136152810078).

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

136120555266 is a wasteful number, since it uses less digits than its factorization.

136120555266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687905.

The product of its (nonzero) digits is 324000, while the sum is 42.

Adding to 136120555266 its reverse (662555021631), we get a palindrome (798675576897).

The spelling of 136120555266 in words is "one hundred thirty-six billion, one hundred twenty million, five hundred fifty-five thousand, two hundred sixty-six".