134257873 has 4 divisors (see below), whose sum is σ = 134282548. Its totient is φ = 134233200.

The previous prime is 134257853. The next prime is 134257913. The reversal of 134257873 is 378752431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378752431 = 23 ⋅16467497.

It can be written as a sum of positive squares in 2 ways, for example, as 121705024 + 12552849 = 11032^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 134257873 - 2⁵ = 134257841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134257843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (33570637).

Almost surely, 2^134257873 is an apocalyptic number.

It is an amenable number.

134257873 is a deficient number, since it is larger than the sum of its proper divisors (24675).

134257873 is an equidigital number, since it uses as much as digits as its factorization.

134257873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24674.

The product of its digits is 141120, while the sum is 40.

The square root of 134257873 is about 11586.9699663027. The cubic root of 134257873 is about 512.0510419186.

The spelling of 134257873 in words is "one hundred thirty-four million, two hundred fifty-seven thousand, eight hundred seventy-three".