134005969 has 2 divisors, whose sum is σ = 134005970. Its totient is φ = 134005968.

The previous prime is 134005967. The next prime is 134005979. The reversal of 134005969 is 969500431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 52012944 = 9055^2 + 7212^2 .

It is an emirp because it is prime and its reverse (969500431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134005969 - 2¹ = 134005967 is a prime.

It is a super-2 number, since 2×134005969² = 35915199455257922, which contains 22 as substring.

Together with 134005967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134005961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67002984 + 67002985.

It is an arithmetic number, because the mean of its divisors is an integer number (67002985).

Almost surely, 2^134005969 is an apocalyptic number.

It is an amenable number.

134005969 is a deficient number, since it is larger than the sum of its proper divisors (1).

134005969 is an equidigital number, since it uses as much as digits as its factorization.

134005969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 134005969 is about 11576.0947214508. The cubic root of 134005969 is about 511.7305927738.

The spelling of 134005969 in words is "one hundred thirty-four million, five thousand, nine hundred sixty-nine".