134387856683 has 2 divisors, whose sum is σ = 134387856684. Its totient is φ = 134387856682.

The previous prime is 134387856643. The next prime is 134387856689. The reversal of 134387856683 is 386658783431.

It is a strong prime.

It is an emirp because it is prime and its reverse (386658783431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134387856683 is a prime.

It is a super-3 number, since 3×134387856683³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (134387856689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67193928341 + 67193928342.

It is an arithmetic number, because the mean of its divisors is an integer number (67193928342).

Almost surely, 2^134387856683 is an apocalyptic number.

134387856683 is a deficient number, since it is larger than the sum of its proper divisors (1).

134387856683 is an equidigital number, since it uses as much as digits as its factorization.

134387856683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 62.

The spelling of 134387856683 in words is "one hundred thirty-four billion, three hundred eighty-seven million, eight hundred fifty-six thousand, six hundred eighty-three".