134585431 has 4 divisors (see below), whose sum is σ = 136866600. Its totient is φ = 132304264.

The previous prime is 134585419. The next prime is 134585449.

134585431 is nontrivially palindromic in base 10.

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 134585431 - 2¹³ = 134577239 is a prime.

It is a super-3 number, since 3×134585431³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134588431) 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, 1140496 + ... + 1140613.

It is an arithmetic number, because the mean of its divisors is an integer number (34216650).

Almost surely, 2^134585431 is an apocalyptic number.

134585431 is a deficient number, since it is larger than the sum of its proper divisors (2281169).

134585431 is an equidigital number, since it uses as much as digits as its factorization.

134585431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281168.

The product of its digits is 28800, while the sum is 34.

The square root of 134585431 is about 11601.0961120060. The cubic root of 134585431 is about 512.4671322170.

The spelling of 134585431 in words is "one hundred thirty-four million, five hundred eighty-five thousand, four hundred thirty-one".