134535491 has 4 divisors (see below), whose sum is σ = 134620512. Its totient is φ = 134450472.

The previous prime is 134535469. The next prime is 134535493. The reversal of 134535491 is 194535431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194535431 = 647 ⋅300673.

It is a cyclic number.

It is not a de Polignac number, because 134535491 - 2²² = 130341187 is a prime.

It is a super-2 number, since 2×134535491² = 36199596677222162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134535493) 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, 40091 + ... + 43316.

It is an arithmetic number, because the mean of its divisors is an integer number (33655128).

Almost surely, 2^134535491 is an apocalyptic number.

134535491 is a deficient number, since it is larger than the sum of its proper divisors (85021).

134535491 is an equidigital number, since it uses as much as digits as its factorization.

134535491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85020.

The product of its digits is 32400, while the sum is 35.

The square root of 134535491 is about 11598.9435294772. The cubic root of 134535491 is about 512.4037380973.

The spelling of 134535491 in words is "one hundred thirty-four million, five hundred thirty-five thousand, four hundred ninety-one".