136620650213 has 4 divisors (see below), whose sum is σ = 136624483008. Its totient is φ = 136616817420.

The previous prime is 136620650197. The next prime is 136620650227. The reversal of 136620650213 is 312056026631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136620650213 - 2⁴ = 136620650197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620650113) 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, 1862423 + ... + 1934388.

It is an arithmetic number, because the mean of its divisors is an integer number (34156120752).

Almost surely, 2^136620650213 is an apocalyptic number.

It is an amenable number.

136620650213 is a deficient number, since it is larger than the sum of its proper divisors (3832795).

136620650213 is an equidigital number, since it uses as much as digits as its factorization.

136620650213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832794.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 136620650213 its reverse (312056026631), we get a palindrome (448676676844).

The spelling of 136620650213 in words is "one hundred thirty-six billion, six hundred twenty million, six hundred fifty thousand, two hundred thirteen".