134631218339 has 2 divisors, whose sum is σ = 134631218340. Its totient is φ = 134631218338.

The previous prime is 134631218303. The next prime is 134631218341. The reversal of 134631218339 is 933812136431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134631218339 is a prime.

Together with 134631218341, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134631218339.

It is not a weakly prime, because it can be changed into another prime (134631218369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67315609169 + 67315609170.

It is an arithmetic number, because the mean of its divisors is an integer number (67315609170).

Almost surely, 2^134631218339 is an apocalyptic number.

134631218339 is a deficient number, since it is larger than the sum of its proper divisors (1).

134631218339 is an equidigital number, since it uses as much as digits as its factorization.

134631218339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The spelling of 134631218339 in words is "one hundred thirty-four billion, six hundred thirty-one million, two hundred eighteen thousand, three hundred thirty-nine".