134401013 has 4 divisors (see below), whose sum is σ = 134443308. Its totient is φ = 134358720.

The previous prime is 134401009. The next prime is 134401019. The reversal of 134401013 is 310104431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27112849 + 107288164 = 5207^2 + 10358^2 .

It is a cyclic number.

It is not a de Polignac number, because 134401013 - 2² = 134401009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134400982 and 134401000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134401019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15956 + ... + 22877.

It is an arithmetic number, because the mean of its divisors is an integer number (33610827).

Almost surely, 2^134401013 is an apocalyptic number.

It is an amenable number.

134401013 is a deficient number, since it is larger than the sum of its proper divisors (42295).

134401013 is an equidigital number, since it uses as much as digits as its factorization.

134401013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42294.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 134401013 is about 11593.1450866450. The cubic root of 134401013 is about 512.2329529230.

Adding to 134401013 its reverse (310104431), we get a palindrome (444505444).

The spelling of 134401013 in words is "one hundred thirty-four million, four hundred one thousand, thirteen".