134220413 has 2 divisors, whose sum is σ = 134220414. Its totient is φ = 134220412.

The previous prime is 134220409. The next prime is 134220419. The reversal of 134220413 is 314022431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130005604 + 4214809 = 11402^2 + 2053^2 .

It is an emirp because it is prime and its reverse (314022431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134220413 - 2² = 134220409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134220419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67110206 + 67110207.

It is an arithmetic number, because the mean of its divisors is an integer number (67110207).

Almost surely, 2^134220413 is an apocalyptic number.

It is an amenable number.

134220413 is a deficient number, since it is larger than the sum of its proper divisors (1).

134220413 is an equidigital number, since it uses as much as digits as its factorization.

134220413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134220413 is about 11585.3533826120. The cubic root of 134220413 is about 512.0034141313.

Adding to 134220413 its reverse (314022431), we get a palindrome (448242844).

The spelling of 134220413 in words is "one hundred thirty-four million, two hundred twenty thousand, four hundred thirteen".