134519131843 has 2 divisors, whose sum is σ = 134519131844. Its totient is φ = 134519131842.

The previous prime is 134519131793. The next prime is 134519131927. The reversal of 134519131843 is 348131915431.

It is a weak prime.

It is an emirp because it is prime and its reverse (348131915431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134519131843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134519131843.

It is not a weakly prime, because it can be changed into another prime (134519134843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67259565921 + 67259565922.

It is an arithmetic number, because the mean of its divisors is an integer number (67259565922).

Almost surely, 2^134519131843 is an apocalyptic number.

134519131843 is a deficient number, since it is larger than the sum of its proper divisors (1).

134519131843 is an equidigital number, since it uses as much as digits as its factorization.

134519131843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The spelling of 134519131843 in words is "one hundred thirty-four billion, five hundred nineteen million, one hundred thirty-one thousand, eight hundred forty-three".