134421017 has 2 divisors, whose sum is σ = 134421018. Its totient is φ = 134421016.

The previous prime is 134420999. The next prime is 134421031. The reversal of 134421017 is 710124431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130965136 + 3455881 = 11444^2 + 1859^2 .

It is a cyclic number.

It is not a de Polignac number, because 134421017 - 2⁸ = 134420761 is a prime.

It is a super-2 number, since 2×134421017² = 36138019622628578, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 134420983 and 134421001.

It is not a weakly prime, because it can be changed into another prime (134421517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67210508 + 67210509.

It is an arithmetic number, because the mean of its divisors is an integer number (67210509).

Almost surely, 2^134421017 is an apocalyptic number.

It is an amenable number.

134421017 is a deficient number, since it is larger than the sum of its proper divisors (1).

134421017 is an equidigital number, since it uses as much as digits as its factorization.

134421017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 134421017 is about 11594.0078057590. The cubic root of 134421017 is about 512.2583649330.

Adding to 134421017 its reverse (710124431), we get a palindrome (844545448).

The spelling of 134421017 in words is "one hundred thirty-four million, four hundred twenty-one thousand, seventeen".