134554454161 has 2 divisors, whose sum is σ = 134554454162. Its totient is φ = 134554454160.

The previous prime is 134554454101. The next prime is 134554454183. The reversal of 134554454161 is 161454455431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112637428225 + 21917025936 = 335615^2 + 148044^2 .

It is a cyclic number.

It is not a de Polignac number, because 134554454161 - 2⁷ = 134554454033 is a prime.

It is a super-2 number, since 2×134554454161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134554454101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67277227080 + 67277227081.

It is an arithmetic number, because the mean of its divisors is an integer number (67277227081).

Almost surely, 2^134554454161 is an apocalyptic number.

It is an amenable number.

134554454161 is a deficient number, since it is larger than the sum of its proper divisors (1).

134554454161 is an equidigital number, since it uses as much as digits as its factorization.

134554454161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 43.

The spelling of 134554454161 in words is "one hundred thirty-four billion, five hundred fifty-four million, four hundred fifty-four thousand, one hundred sixty-one".