136640335510331 has 2 divisors, whose sum is σ = 136640335510332. Its totient is φ = 136640335510330.

The previous prime is 136640335510271. The next prime is 136640335510381. The reversal of 136640335510331 is 133015533046631.

It is a strong prime.

It is an emirp because it is prime and its reverse (133015533046631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136640335510331 - 2¹⁸ = 136640335248187 is a prime.

It is a super-2 number, since 2×136640335510331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136640335510381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68320167755165 + 68320167755166.

It is an arithmetic number, because the mean of its divisors is an integer number (68320167755166).

Almost surely, 2^{136640335510331} is an apocalyptic number.

136640335510331 is a deficient number, since it is larger than the sum of its proper divisors (1).

136640335510331 is an equidigital number, since it uses as much as digits as its factorization.

136640335510331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 44.

Adding to 136640335510331 its reverse (133015533046631), we get a palindrome (269655868556962).

The spelling of 136640335510331 in words is "one hundred thirty-six trillion, six hundred forty billion, three hundred thirty-five million, five hundred ten thousand, three hundred thirty-one".