134581349 has 8 divisors (see below), whose sum is σ = 160494720. Its totient is φ = 110339856.

The previous prime is 134581339. The next prime is 134581361. The reversal of 134581349 is 943185431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134581349 - 2⁸ = 134581093 is a prime.

It is a super-2 number, since 2×134581349² = 36224278997319602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134581309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417794 + ... + 418115.

It is an arithmetic number, because the mean of its divisors is an integer number (20061840).

Almost surely, 2^134581349 is an apocalyptic number.

It is an amenable number.

134581349 is a deficient number, since it is larger than the sum of its proper divisors (25913371).

134581349 is an equidigital number, since it uses as much as digits as its factorization.

134581349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835939.

The product of its digits is 51840, while the sum is 38.

The square root of 134581349 is about 11600.9201790203. The cubic root of 134581349 is about 512.4619510916.

The spelling of 134581349 in words is "one hundred thirty-four million, five hundred eighty-one thousand, three hundred forty-nine".