134847676866431 has 2 divisors, whose sum is σ = 134847676866432. Its totient is φ = 134847676866430.

The previous prime is 134847676866401. The next prime is 134847676866451. The reversal of 134847676866431 is 134668676748431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134847676866431 - 2²² = 134847672672127 is a prime.

It is a super-2 number, since 2×134847676866431² (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 (134847676866401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67423838433215 + 67423838433216.

It is an arithmetic number, because the mean of its divisors is an integer number (67423838433216).

Almost surely, 2^{134847676866431} is an apocalyptic number.

134847676866431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134847676866431 is an equidigital number, since it uses as much as digits as its factorization.

134847676866431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2341011456, while the sum is 74.

The spelling of 134847676866431 in words is "one hundred thirty-four trillion, eight hundred forty-seven billion, six hundred seventy-six million, eight hundred sixty-six thousand, four hundred thirty-one".