134423481 has 4 divisors (see below), whose sum is σ = 179231312. Its totient is φ = 89615652.

The previous prime is 134423467. The next prime is 134423579. The reversal of 134423481 is 184324431.

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.

It is not a de Polignac number, because 134423481 - 2⁵ = 134423449 is a prime.

It is a super-2 number, since 2×134423481² = 36139344488314722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134423581) 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, 22403911 + ... + 22403916.

It is an arithmetic number, because the mean of its divisors is an integer number (44807828).

Almost surely, 2^134423481 is an apocalyptic number.

It is an amenable number.

134423481 is a deficient number, since it is larger than the sum of its proper divisors (44807831).

134423481 is an equidigital number, since it uses as much as digits as its factorization.

134423481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44807830.

The product of its digits is 9216, while the sum is 30.

The square root of 134423481 is about 11594.1140670601. The cubic root of 134423481 is about 512.2614948922.

The spelling of 134423481 in words is "one hundred thirty-four million, four hundred twenty-three thousand, four hundred eighty-one".