131366736407 has 2 divisors, whose sum is σ = 131366736408. Its totient is φ = 131366736406.

The previous prime is 131366736379. The next prime is 131366736409. The reversal of 131366736407 is 704637663131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131366736407 is a prime.

Together with 131366736409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131366736409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65683368203 + 65683368204.

It is an arithmetic number, because the mean of its divisors is an integer number (65683368204).

Almost surely, 2^131366736407 is an apocalyptic number.

131366736407 is a deficient number, since it is larger than the sum of its proper divisors (1).

131366736407 is an equidigital number, since it uses as much as digits as its factorization.

131366736407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 131366736407 in words is "one hundred thirty-one billion, three hundred sixty-six million, seven hundred thirty-six thousand, four hundred seven".