136513321436243 has 8 divisors (see below), whose sum is σ = 137207317845312. Its totient is φ = 135819335486016.

The previous prime is 136513321436227. The next prime is 136513321436263. The reversal of 136513321436243 is 342634123315631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136513321436243 - 2⁴ = 136513321436227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136513321436263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24256646 + ... + 29349812.

It is an arithmetic number, because the mean of its divisors is an integer number (17150914730664).

Almost surely, 2^{136513321436243} is an apocalyptic number.

136513321436243 is a deficient number, since it is larger than the sum of its proper divisors (693996409069).

136513321436243 is a wasteful number, since it uses less digits than its factorization.

136513321436243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229421.

The product of its digits is 2799360, while the sum is 47.

The spelling of 136513321436243 in words is "one hundred thirty-six trillion, five hundred thirteen billion, three hundred twenty-one million, four hundred thirty-six thousand, two hundred forty-three".