135746459 has 2 divisors, whose sum is σ = 135746460. Its totient is φ = 135746458.

The previous prime is 135746453. The next prime is 135746473. The reversal of 135746459 is 954647531.

135746459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (954647531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135746459 - 2²⁴ = 118969243 is a prime.

It is a super-2 number, since 2×135746459² = 36854202262077362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135746453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67873229 + 67873230.

It is an arithmetic number, because the mean of its divisors is an integer number (67873230).

Almost surely, 2^135746459 is an apocalyptic number.

135746459 is a deficient number, since it is larger than the sum of its proper divisors (1).

135746459 is an equidigital number, since it uses as much as digits as its factorization.

135746459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 135746459 is about 11651.0282378853. The cubic root of 135746459 is about 513.9365481082.

The spelling of 135746459 in words is "one hundred thirty-five million, seven hundred forty-six thousand, four hundred fifty-nine".