134525221 has 2 divisors, whose sum is σ = 134525222. Its totient is φ = 134525220.

The previous prime is 134525201. The next prime is 134525231. The reversal of 134525221 is 122525431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131997121 + 2528100 = 11489^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 134525221 - 2⁷ = 134525093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134525201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67262610 + 67262611.

It is an arithmetic number, because the mean of its divisors is an integer number (67262611).

Almost surely, 2^134525221 is an apocalyptic number.

It is an amenable number.

134525221 is a deficient number, since it is larger than the sum of its proper divisors (1).

134525221 is an equidigital number, since it uses as much as digits as its factorization.

134525221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 134525221 is about 11598.5008082941. The cubic root of 134525221 is about 512.3906993562.

The spelling of 134525221 in words is "one hundred thirty-four million, five hundred twenty-five thousand, two hundred twenty-one".