134326110666661 has 4 divisors (see below), whose sum is σ = 136330977990112. Its totient is φ = 132321243343212.

The previous prime is 134326110666659. The next prime is 134326110666677. The reversal of 134326110666661 is 166666011623431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134326110666661 - 2¹ = 134326110666659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134326110666599 and 134326110666608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134326110661661) 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, 1002433661625 + ... + 1002433661758.

It is an arithmetic number, because the mean of its divisors is an integer number (34082744497528).

Almost surely, 2^{134326110666661} is an apocalyptic number.

It is an amenable number.

134326110666661 is a deficient number, since it is larger than the sum of its proper divisors (2004867323451).

134326110666661 is an equidigital number, since it uses as much as digits as its factorization.

134326110666661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004867323450.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 134326110666661 in words is "one hundred thirty-four trillion, three hundred twenty-six billion, one hundred ten million, six hundred sixty-six thousand, six hundred sixty-one".