134521545073 has 2 divisors, whose sum is σ = 134521545074. Its totient is φ = 134521545072.

The previous prime is 134521545029. The next prime is 134521545077. The reversal of 134521545073 is 370545125431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123308429409 + 11213115664 = 351153^2 + 105892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134521545073 is a prime.

It is not a weakly prime, because it can be changed into another prime (134521545077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67260772536 + 67260772537.

It is an arithmetic number, because the mean of its divisors is an integer number (67260772537).

Almost surely, 2^134521545073 is an apocalyptic number.

It is an amenable number.

134521545073 is a deficient number, since it is larger than the sum of its proper divisors (1).

134521545073 is an equidigital number, since it uses as much as digits as its factorization.

134521545073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 134521545073 in words is "one hundred thirty-four billion, five hundred twenty-one million, five hundred forty-five thousand, seventy-three".