136637055766 has 4 divisors (see below), whose sum is σ = 204955583652. Its totient is φ = 68318527882.

The previous prime is 136637055707. The next prime is 136637055769. The reversal of 136637055766 is 667550736631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136637055769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34159263940 + ... + 34159263943.

It is an arithmetic number, because the mean of its divisors is an integer number (51238895913).

Almost surely, 2^136637055766 is an apocalyptic number.

136637055766 is a deficient number, since it is larger than the sum of its proper divisors (68318527886).

136637055766 is an equidigital number, since it uses as much as digits as its factorization.

136637055766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68318527885.

The product of its (nonzero) digits is 14288400, while the sum is 55.

The spelling of 136637055766 in words is "one hundred thirty-six billion, six hundred thirty-seven million, fifty-five thousand, seven hundred sixty-six".