134549246591 has 2 divisors, whose sum is σ = 134549246592. Its totient is φ = 134549246590.

The previous prime is 134549246527. The next prime is 134549246627. The reversal of 134549246591 is 195642945431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134549246591 - 2⁶ = 134549246527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134549246521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67274623295 + 67274623296.

It is an arithmetic number, because the mean of its divisors is an integer number (67274623296).

Almost surely, 2^134549246591 is an apocalyptic number.

134549246591 is a deficient number, since it is larger than the sum of its proper divisors (1).

134549246591 is an equidigital number, since it uses as much as digits as its factorization.

134549246591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 53.

The spelling of 134549246591 in words is "one hundred thirty-four billion, five hundred forty-nine million, two hundred forty-six thousand, five hundred ninety-one".