134838886387 has 2 divisors, whose sum is σ = 134838886388. Its totient is φ = 134838886386.

The previous prime is 134838886337. The next prime is 134838886393. The reversal of 134838886387 is 783688838431.

It is a strong prime.

It is an emirp because it is prime and its reverse (783688838431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134838886387 - 2¹¹ = 134838884339 is a prime.

It is not a weakly prime, because it can be changed into another prime (134838886337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67419443193 + 67419443194.

It is an arithmetic number, because the mean of its divisors is an integer number (67419443194).

Almost surely, 2^134838886387 is an apocalyptic number.

134838886387 is a deficient number, since it is larger than the sum of its proper divisors (1).

134838886387 is an equidigital number, since it uses as much as digits as its factorization.

134838886387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148635648, while the sum is 67.

The spelling of 134838886387 in words is "one hundred thirty-four billion, eight hundred thirty-eight million, eight hundred eighty-six thousand, three hundred eighty-seven".