134545545473 has 2 divisors, whose sum is σ = 134545545474. Its totient is φ = 134545545472.

The previous prime is 134545545371. The next prime is 134545545517. The reversal of 134545545473 is 374545545431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133008278209 + 1537267264 = 364703^2 + 39208^2 .

It is a cyclic number.

It is not a de Polignac number, because 134545545473 - 2³² = 130250578177 is a prime.

It is a super-2 number, since 2×134545545473² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134545545073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67272772736 + 67272772737.

It is an arithmetic number, because the mean of its divisors is an integer number (67272772737).

Almost surely, 2^134545545473 is an apocalyptic number.

It is an amenable number.

134545545473 is a deficient number, since it is larger than the sum of its proper divisors (1).

134545545473 is an equidigital number, since it uses as much as digits as its factorization.

134545545473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080000, while the sum is 50.

The spelling of 134545545473 in words is "one hundred thirty-four billion, five hundred forty-five million, five hundred forty-five thousand, four hundred seventy-three".