134213413 has 2 divisors, whose sum is σ = 134213414. Its totient is φ = 134213412.

The previous prime is 134213411. The next prime is 134213423. The reversal of 134213413 is 314312431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134165889 + 47524 = 11583^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 134213413 - 2¹ = 134213411 is a prime.

Together with 134213411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134213411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67106706 + 67106707.

It is an arithmetic number, because the mean of its divisors is an integer number (67106707).

Almost surely, 2^134213413 is an apocalyptic number.

It is an amenable number.

134213413 is a deficient number, since it is larger than the sum of its proper divisors (1).

134213413 is an equidigital number, since it uses as much as digits as its factorization.

134213413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 134213413 is about 11585.0512730846. The cubic root of 134213413 is about 511.9945131350.

Adding to 134213413 its reverse (314312431), we get a palindrome (448525844).

The spelling of 134213413 in words is "one hundred thirty-four million, two hundred thirteen thousand, four hundred thirteen".