134000081 has 2 divisors, whose sum is σ = 134000082. Its totient is φ = 134000080.

The previous prime is 134000023. The next prime is 134000099. The reversal of 134000081 is 180000431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125238481 + 8761600 = 11191^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 134000081 - 2⁶ = 134000017 is a prime.

It is a super-2 number, since 2×134000081² = 35912043416013122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134000381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67000040 + 67000041.

It is an arithmetic number, because the mean of its divisors is an integer number (67000041).

Almost surely, 2^134000081 is an apocalyptic number.

It is an amenable number.

134000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

134000081 is an equidigital number, since it uses as much as digits as its factorization.

134000081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 134000081 is about 11575.8404014568. The cubic root of 134000081 is about 511.7230977995.

The spelling of 134000081 in words is "one hundred thirty-four million, eighty-one", and thus it is an aban number.