134657 has 6 divisors (see below), whose sum is σ = 144198. Its totient is φ = 125312.

The previous prime is 134639. The next prime is 134669. The reversal of 134657 is 756431.

It can be written as a sum of positive squares in 3 ways, for example, as 5776 + 128881 = 76^2 + 359^2 .

It is not a de Polignac number, because 134657 - 2⁶ = 134593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1469 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (24033).

It is a Proth number, since it is equal to 263 ⋅ 2⁹ + 1 and 263 < 2⁹.

2¹³⁴⁶⁵⁷ is an apocalyptic number.

134657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

134657 is a deficient number, since it is larger than the sum of its proper divisors (9541).

134657 is an frugal number, since it uses more digits than its factorization.

134657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 106 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 134657 is about 366.9564006800. The cubic root of 134657 is about 51.2557954977.

The spelling of 134657 in words is "one hundred thirty-four thousand, six hundred fifty-seven".