134826817 has 2 divisors, whose sum is σ = 134826818. Its totient is φ = 134826816.

The previous prime is 134826767. The next prime is 134826823. The reversal of 134826817 is 718628431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 12082576 = 11079^2 + 3476^2 .

It is a cyclic number.

It is not a de Polignac number, because 134826817 - 2⁷ = 134826689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134826817.

It is not a weakly prime, because it can be changed into another prime (134836817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67413408 + 67413409.

It is an arithmetic number, because the mean of its divisors is an integer number (67413409).

Almost surely, 2^134826817 is an apocalyptic number.

It is an amenable number.

134826817 is a deficient number, since it is larger than the sum of its proper divisors (1).

134826817 is an equidigital number, since it uses as much as digits as its factorization.

134826817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 134826817 is about 11611.4950372465. The cubic root of 134826817 is about 512.7733280865.

The spelling of 134826817 in words is "one hundred thirty-four million, eight hundred twenty-six thousand, eight hundred seventeen".