136766211812 has 12 divisors (see below), whose sum is σ = 239348096316. Its totient is φ = 68381041440.

The previous prime is 136766211793. The next prime is 136766211817. The reversal of 136766211812 is 218112667631.

It can be written as a sum of positive squares in 2 ways, for example, as 130735757476 + 6030454336 = 361574^2 + 77656^2 .

It is not an unprimeable number, because it can be changed into a prime (136766211817) 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, 361943 + ... + 636030.

It is an arithmetic number, because the mean of its divisors is an integer number (19945674693).

Almost surely, 2^136766211812 is an apocalyptic number.

It is an amenable number.

136766211812 is a deficient number, since it is larger than the sum of its proper divisors (102581884504).

136766211812 is a wasteful number, since it uses less digits than its factorization.

136766211812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032238 (or 1032236 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The spelling of 136766211812 in words is "one hundred thirty-six billion, seven hundred sixty-six million, two hundred eleven thousand, eight hundred twelve".