135014521 has 2 divisors, whose sum is σ = 135014522. Its totient is φ = 135014520.

The previous prime is 135014519. The next prime is 135014549. The reversal of 135014521 is 125410531.

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., 108388921 + 26625600 = 10411^2 + 5160^2 .

It is a cyclic number.

It is not a de Polignac number, because 135014521 - 2¹ = 135014519 is a prime.

Together with 135014519, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 135014492 and 135014501.

It is not a weakly prime, because it can be changed into another prime (135014821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67507260 + 67507261.

It is an arithmetic number, because the mean of its divisors is an integer number (67507261).

Almost surely, 2^135014521 is an apocalyptic number.

It is an amenable number.

135014521 is a deficient number, since it is larger than the sum of its proper divisors (1).

135014521 is an equidigital number, since it uses as much as digits as its factorization.

135014521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 135014521 is about 11619.5749061659. The cubic root of 135014521 is about 513.0111763515.

The spelling of 135014521 in words is "one hundred thirty-five million, fourteen thousand, five hundred twenty-one".