134791 has 4 divisors (see below), whose sum is σ = 138472. Its totient is φ = 131112.

The previous prime is 134789. The next prime is 134807. The reversal of 134791 is 197431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 197431 = 13 ⋅15187.

It is a cyclic number.

It is not a de Polignac number, because 134791 - 2¹ = 134789 is a prime.

It is a super-2 number, since 2×134791² = 36337227362, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 3³ + 7⁶ + 4⁷ + 9³ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134731) 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, 1785 + ... + 1858.

It is an arithmetic number, because the mean of its divisors is an integer number (34618).

2¹³⁴⁷⁹¹ is an apocalyptic number.

134791 is a deficient number, since it is larger than the sum of its proper divisors (3681).

134791 is an equidigital number, since it uses as much as digits as its factorization.

134791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680.

The product of its digits is 756, while the sum is 25.

The square root of 134791 is about 367.1389382781. The cubic root of 134791 is about 51.2727917662.

The spelling of 134791 in words is "one hundred thirty-four thousand, seven hundred ninety-one".