134637 has 4 divisors (see below), whose sum is σ = 179520. Its totient is φ = 89756.

The previous prime is 134609. The next prime is 134639. The reversal of 134637 is 736431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 736431 = 3 ⋅245477.

It is a cyclic number.

It is not a de Polignac number, because 134637 - 2¹¹ = 132589 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134639) 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, 22437 + ... + 22442.

It is an arithmetic number, because the mean of its divisors is an integer number (44880).

2¹³⁴⁶³⁷ is an apocalyptic number.

It is an amenable number.

134637 is a deficient number, since it is larger than the sum of its proper divisors (44883).

134637 is an equidigital number, since it uses as much as digits as its factorization.

134637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44882.

The product of its digits is 1512, while the sum is 24.

The square root of 134637 is about 366.9291484742. The cubic root of 134637 is about 51.2532577743.

It can be divided in two parts, 134 and 637, that multiplied together give a palindrome (85358).

The spelling of 134637 in words is "one hundred thirty-four thousand, six hundred thirty-seven".