134444202413 has 6 divisors (see below), whose sum is σ = 136167576174. Its totient is φ = 132742370904.

The previous prime is 134444202397. The next prime is 134444202421. The reversal of 134444202413 is 314202444431.

It can be written as a sum of positive squares in only one way, i.e., 125427180649 + 9017021764 = 354157^2 + 94958^2 .

It is not a de Polignac number, because 134444202413 - 2⁴ = 134444202397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134444202413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134444204413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10764806 + ... + 10777287.

It is an arithmetic number, because the mean of its divisors is an integer number (22694596029).

Almost surely, 2^134444202413 is an apocalyptic number.

It is an amenable number.

134444202413 is a deficient number, since it is larger than the sum of its proper divisors (1723373761).

134444202413 is an frugal number, since it uses more digits than its factorization.

134444202413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21542251 (or 21542172 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 134444202413 its reverse (314202444431), we get a palindrome (448646646844).

The spelling of 134444202413 in words is "one hundred thirty-four billion, four hundred forty-four million, two hundred two thousand, four hundred thirteen".