134454857 has 2 divisors, whose sum is σ = 134454858. Its totient is φ = 134454856.

The previous prime is 134454767. The next prime is 134454869. The reversal of 134454857 is 758454431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115261696 + 19193161 = 10736^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 134454857 - 2²⁰ = 133406281 is a prime.

It is not a weakly prime, because it can be changed into another prime (134454877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67227428 + 67227429.

It is an arithmetic number, because the mean of its divisors is an integer number (67227429).

Almost surely, 2^134454857 is an apocalyptic number.

It is an amenable number.

134454857 is a deficient number, since it is larger than the sum of its proper divisors (1).

134454857 is an equidigital number, since it uses as much as digits as its factorization.

134454857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 41.

The square root of 134454857 is about 11595.4670884790. The cubic root of 134454857 is about 512.3013477170.

The spelling of 134454857 in words is "one hundred thirty-four million, four hundred fifty-four thousand, eight hundred fifty-seven".