134548843845431 has 2 divisors, whose sum is σ = 134548843845432. Its totient is φ = 134548843845430.

The previous prime is 134548843845389. The next prime is 134548843845457. The reversal of 134548843845431 is 134548348845431.

It is a strong prime.

It is an emirp because it is prime and its reverse (134548348845431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134548843845431 - 2⁴⁶ = 64180099667767 is a prime.

It is a super-2 number, since 2×134548843845431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134548843875431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67274421922715 + 67274421922716.

It is an arithmetic number, because the mean of its divisors is an integer number (67274421922716).

Almost surely, 2^{134548843845431} is an apocalyptic number.

134548843845431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134548843845431 is an equidigital number, since it uses as much as digits as its factorization.

134548843845431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 353894400, while the sum is 65.

The spelling of 134548843845431 in words is "one hundred thirty-four trillion, five hundred forty-eight billion, eight hundred forty-three million, eight hundred forty-five thousand, four hundred thirty-one".