257134 has 8 divisors (see below), whose sum is σ = 390600. Its totient is φ = 126936.

The previous prime is 257123. The next prime is 257141. The reversal of 257134 is 431752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×257134² = 132235787912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (48825).

2²⁵⁷¹³⁴ is an apocalyptic number.

257134 is a deficient number, since it is larger than the sum of its proper divisors (133466).

257134 is a wasteful number, since it uses less digits than its factorization.

257134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

The product of its digits is 840, while the sum is 22.

The square root of 257134 is about 507.0838195013. The cubic root of 257134 is about 63.5896598566.

Adding to 257134 its reverse (431752), we get a palindrome (688886).

The spelling of 257134 in words is "two hundred fifty-seven thousand, one hundred thirty-four".