135613459 has 2 divisors, whose sum is σ = 135613460. Its totient is φ = 135613458.

The previous prime is 135613453. The next prime is 135613463. The reversal of 135613459 is 954316531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135613459 is a prime.

It is a Chen prime.

It is equal to p_7678153 and since 135613459 and 7678153 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135613453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67806729 + 67806730.

It is an arithmetic number, because the mean of its divisors is an integer number (67806730).

Almost surely, 2^135613459 is an apocalyptic number.

135613459 is a deficient number, since it is larger than the sum of its proper divisors (1).

135613459 is an equidigital number, since it uses as much as digits as its factorization.

135613459 is an evil number, because the sum of its binary digits is even.

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

The square root of 135613459 is about 11645.3191884121. The cubic root of 135613459 is about 513.7686471132.

It can be divided in two parts, 13561 and 3459, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 135613459 in words is "one hundred thirty-five million, six hundred thirteen thousand, four hundred fifty-nine".