134858573 has 2 divisors, whose sum is σ = 134858574. Its totient is φ = 134858572.

The previous prime is 134858567. The next prime is 134858597. The reversal of 134858573 is 375858431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125507209 + 9351364 = 11203^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 134858573 - 2¹² = 134854477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134855573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67429286 + 67429287.

It is an arithmetic number, because the mean of its divisors is an integer number (67429287).

Almost surely, 2^134858573 is an apocalyptic number.

It is an amenable number.

134858573 is a deficient number, since it is larger than the sum of its proper divisors (1).

134858573 is an equidigital number, since it uses as much as digits as its factorization.

134858573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 44.

The square root of 134858573 is about 11612.8623947759. The cubic root of 134858573 is about 512.8135830642.

The spelling of 134858573 in words is "one hundred thirty-four million, eight hundred fifty-eight thousand, five hundred seventy-three".