134148548221 has 2 divisors, whose sum is σ = 134148548222. Its totient is φ = 134148548220.

The previous prime is 134148548201. The next prime is 134148548239. The reversal of 134148548221 is 122845841431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129950156196 + 4198392025 = 360486^2 + 64795^2 .

It is a cyclic number.

It is not a de Polignac number, because 134148548221 - 2¹⁵ = 134148515453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134148548201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67074274110 + 67074274111.

It is an arithmetic number, because the mean of its divisors is an integer number (67074274111).

Almost surely, 2^134148548221 is an apocalyptic number.

It is an amenable number.

134148548221 is a deficient number, since it is larger than the sum of its proper divisors (1).

134148548221 is an equidigital number, since it uses as much as digits as its factorization.

134148548221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760, while the sum is 43.

The spelling of 134148548221 in words is "one hundred thirty-four billion, one hundred forty-eight million, five hundred forty-eight thousand, two hundred twenty-one".