134520773 has 2 divisors, whose sum is σ = 134520774. Its totient is φ = 134520772.

The previous prime is 134520761. The next prime is 134520787. The reversal of 134520773 is 377025431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72709729 + 61811044 = 8527^2 + 7862^2 .

It is a cyclic number.

It is not a de Polignac number, because 134520773 - 2¹² = 134516677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134520073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67260386 + 67260387.

It is an arithmetic number, because the mean of its divisors is an integer number (67260387).

Almost surely, 2^134520773 is an apocalyptic number.

It is an amenable number.

134520773 is a deficient number, since it is larger than the sum of its proper divisors (1).

134520773 is an equidigital number, since it uses as much as digits as its factorization.

134520773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 134520773 is about 11598.3090577894. The cubic root of 134520773 is about 512.3850519915.

The spelling of 134520773 in words is "one hundred thirty-four million, five hundred twenty thousand, seven hundred seventy-three".