136640335510311 has 4 divisors (see below), whose sum is σ = 182187114013752. Its totient is φ = 91093557006872.

The previous prime is 136640335510271. The next prime is 136640335510331. The reversal of 136640335510311 is 113015533046631.

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

It is a cyclic number.

It is not a de Polignac number, because 136640335510311 - 2¹⁰ = 136640335509287 is a prime.

It is a super-3 number, since 3×136640335510311³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136640335510331) 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, 22773389251716 + ... + 22773389251721.

It is an arithmetic number, because the mean of its divisors is an integer number (45546778503438).

Almost surely, 2^{136640335510311} is an apocalyptic number.

136640335510311 is a deficient number, since it is larger than the sum of its proper divisors (45546778503441).

136640335510311 is an equidigital number, since it uses as much as digits as its factorization.

136640335510311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45546778503440.

The product of its (nonzero) digits is 291600, while the sum is 42.

Adding to 136640335510311 its reverse (113015533046631), we get a palindrome (249655868556942).

The spelling of 136640335510311 in words is "one hundred thirty-six trillion, six hundred forty billion, three hundred thirty-five million, five hundred ten thousand, three hundred eleven".