134654521 has 2 divisors, whose sum is σ = 134654522. Its totient is φ = 134654520.

The previous prime is 134654497. The next prime is 134654551. The reversal of 134654521 is 125456431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78943225 + 55711296 = 8885^2 + 7464^2 .

It is a cyclic number.

It is not a de Polignac number, because 134654521 - 2¹³ = 134646329 is a prime.

It is not a weakly prime, because it can be changed into another prime (134654551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67327260 + 67327261.

It is an arithmetic number, because the mean of its divisors is an integer number (67327261).

Almost surely, 2^134654521 is an apocalyptic number.

It is an amenable number.

134654521 is a deficient number, since it is larger than the sum of its proper divisors (1).

134654521 is an equidigital number, since it uses as much as digits as its factorization.

134654521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 134654521 is about 11604.0734658136. The cubic root of 134654521 is about 512.5548096051.

The spelling of 134654521 in words is "one hundred thirty-four million, six hundred fifty-four thousand, five hundred twenty-one".