134604466621 has 2 divisors, whose sum is σ = 134604466622. Its totient is φ = 134604466620.

The previous prime is 134604466603. The next prime is 134604466631. The reversal of 134604466621 is 126664406431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134238700996 + 365765625 = 366386^2 + 19125^2 .

It is a cyclic number.

It is not a de Polignac number, because 134604466621 - 2¹¹ = 134604464573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134604466631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67302233310 + 67302233311.

It is an arithmetic number, because the mean of its divisors is an integer number (67302233311).

Almost surely, 2^134604466621 is an apocalyptic number.

It is an amenable number.

134604466621 is a deficient number, since it is larger than the sum of its proper divisors (1).

134604466621 is an equidigital number, since it uses as much as digits as its factorization.

134604466621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 134604466621 in words is "one hundred thirty-four billion, six hundred four million, four hundred sixty-six thousand, six hundred twenty-one".