134444161512013 has 4 divisors (see below), whose sum is σ = 135830183795740. Its totient is φ = 133058139228288.

The previous prime is 134444161511999. The next prime is 134444161512029. The reversal of 134444161512013 is 310215161444431.

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 18266417809929 + 116177743702084 = 4273923^2 + 10778578^2 .

It is a cyclic number.

It is not a de Polignac number, because 134444161512013 - 2²¹ = 134444159414861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134444161512613) 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, 693011141718 + ... + 693011141911.

It is an arithmetic number, because the mean of its divisors is an integer number (33957545948935).

Almost surely, 2^{134444161512013} is an apocalyptic number.

It is an amenable number.

134444161512013 is a deficient number, since it is larger than the sum of its proper divisors (1386022283727).

134444161512013 is an equidigital number, since it uses as much as digits as its factorization.

134444161512013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386022283726.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 134444161512013 in words is "one hundred thirty-four trillion, four hundred forty-four billion, one hundred sixty-one million, five hundred twelve thousand, thirteen".