134486491 has 4 divisors (see below), whose sum is σ = 134514000. Its totient is φ = 134458984.

The previous prime is 134486483. The next prime is 134486501. The reversal of 134486491 is 194684431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134486491 - 2³ = 134486483 is a prime.

It is a super-2 number, since 2×134486491² = 36173232522986162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134486431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216 + ... + 16933.

It is an arithmetic number, because the mean of its divisors is an integer number (33628500).

Almost surely, 2^134486491 is an apocalyptic number.

134486491 is a deficient number, since it is larger than the sum of its proper divisors (27509).

134486491 is an equidigital number, since it uses as much as digits as its factorization.

134486491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27508.

The product of its digits is 82944, while the sum is 40.

The square root of 134486491 is about 11596.8310757724. The cubic root of 134486491 is about 512.3415219693.

The spelling of 134486491 in words is "one hundred thirty-four million, four hundred eighty-six thousand, four hundred ninety-one".