134860417 has 2 divisors, whose sum is σ = 134860418. Its totient is φ = 134860416.

The previous prime is 134860409. The next prime is 134860421. The reversal of 134860417 is 714068431.

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., 118287376 + 16573041 = 10876^2 + 4071^2 .

It is a cyclic number.

It is not a de Polignac number, because 134860417 - 2³ = 134860409 is a prime.

It is not a weakly prime, because it can be changed into another prime (134860717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67430208 + 67430209.

It is an arithmetic number, because the mean of its divisors is an integer number (67430209).

Almost surely, 2^134860417 is an apocalyptic number.

It is an amenable number.

134860417 is a deficient number, since it is larger than the sum of its proper divisors (1).

134860417 is an equidigital number, since it uses as much as digits as its factorization.

134860417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 134860417 is about 11612.9417892281. The cubic root of 134860417 is about 512.8159203867.

The spelling of 134860417 in words is "one hundred thirty-four million, eight hundred sixty thousand, four hundred seventeen".