134010221 has 2 divisors, whose sum is σ = 134010222. Its totient is φ = 134010220.

The previous prime is 134010209. The next prime is 134010277. The reversal of 134010221 is 122010431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90516196 + 43494025 = 9514^2 + 6595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134010221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134010196 and 134010205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134010281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67005110 + 67005111.

It is an arithmetic number, because the mean of its divisors is an integer number (67005111).

Almost surely, 2^134010221 is an apocalyptic number.

It is an amenable number.

134010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

134010221 is an equidigital number, since it uses as much as digits as its factorization.

134010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 134010221 is about 11576.2783743308. The cubic root of 134010221 is about 511.7360051085.

Adding to 134010221 its reverse (122010431), we get a palindrome (256020652).

The spelling of 134010221 in words is "one hundred thirty-four million, ten thousand, two hundred twenty-one".