136011642645387 has 4 divisors (see below), whose sum is σ = 181348856860520. Its totient is φ = 90674428430256.

The previous prime is 136011642645353. The next prime is 136011642645457. The reversal of 136011642645387 is 783546246110631.

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

It is not a de Polignac number, because 136011642645387 - 2⁷ = 136011642645259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136011642645287) 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, 22668607107562 + ... + 22668607107567.

It is an arithmetic number, because the mean of its divisors is an integer number (45337214215130).

Almost surely, 2^{136011642645387} is an apocalyptic number.

136011642645387 is a deficient number, since it is larger than the sum of its proper divisors (45337214215133).

136011642645387 is an equidigital number, since it uses as much as digits as its factorization.

136011642645387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45337214215132.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 136011642645387 in words is "one hundred thirty-six trillion, eleven billion, six hundred forty-two million, six hundred forty-five thousand, three hundred eighty-seven".