134175154661 has 2 divisors, whose sum is σ = 134175154662. Its totient is φ = 134175154660.

The previous prime is 134175154651. The next prime is 134175154699. The reversal of 134175154661 is 166451571431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101685092161 + 32490062500 = 318881^2 + 180250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134175154661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134175154651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67087577330 + 67087577331.

It is an arithmetic number, because the mean of its divisors is an integer number (67087577331).

Almost surely, 2^134175154661 is an apocalyptic number.

It is an amenable number.

134175154661 is a deficient number, since it is larger than the sum of its proper divisors (1).

134175154661 is an equidigital number, since it uses as much as digits as its factorization.

134175154661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The spelling of 134175154661 in words is "one hundred thirty-four billion, one hundred seventy-five million, one hundred fifty-four thousand, six hundred sixty-one".