135469513 has 2 divisors, whose sum is σ = 135469514. Its totient is φ = 135469512.

The previous prime is 135469489. The next prime is 135469547. The reversal of 135469513 is 315964531.

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., 111576969 + 23892544 = 10563^2 + 4888^2 .

It is an emirp because it is prime and its reverse (315964531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135469513 is a prime.

It is not a weakly prime, because it can be changed into another prime (135469013) 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, 67734756 + 67734757.

It is an arithmetic number, because the mean of its divisors is an integer number (67734757).

Almost surely, 2^135469513 is an apocalyptic number.

It is an amenable number.

135469513 is a deficient number, since it is larger than the sum of its proper divisors (1).

135469513 is an equidigital number, since it uses as much as digits as its factorization.

135469513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 135469513 is about 11639.1371243748. The cubic root of 135469513 is about 513.5868039933.

The spelling of 135469513 in words is "one hundred thirty-five million, four hundred sixty-nine thousand, five hundred thirteen".