134956417 has 2 divisors, whose sum is σ = 134956418. Its totient is φ = 134956416.

The previous prime is 134956399. The next prime is 134956447. The reversal of 134956417 is 714659431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134652816 + 303601 = 11604^2 + 551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134956417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134956417.

It is not a weakly prime, because it can be changed into another prime (134956447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67478208 + 67478209.

It is an arithmetic number, because the mean of its divisors is an integer number (67478209).

Almost surely, 2^134956417 is an apocalyptic number.

It is an amenable number.

134956417 is a deficient number, since it is larger than the sum of its proper divisors (1).

134956417 is an equidigital number, since it uses as much as digits as its factorization.

134956417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 134956417 is about 11617.0743735245. The cubic root of 134956417 is about 512.9375737045.

The spelling of 134956417 in words is "one hundred thirty-four million, nine hundred fifty-six thousand, four hundred seventeen".