135530026 has 4 divisors (see below), whose sum is σ = 203295042. Its totient is φ = 67765012.

The previous prime is 135529993. The next prime is 135530041. The reversal of 135530026 is 620035531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620035531 = 19 ⋅32633449.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 42889401 = 9625^2 + 6549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33882505 + ... + 33882508.

Almost surely, 2^135530026 is an apocalyptic number.

135530026 is a deficient number, since it is larger than the sum of its proper divisors (67765016).

135530026 is an equidigital number, since it uses as much as digits as its factorization.

135530026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67765015.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 135530026 is about 11641.7363825161. The cubic root of 135530026 is about 513.6632641286.

Adding to 135530026 its reverse (620035531), we get a palindrome (755565557).

The spelling of 135530026 in words is "one hundred thirty-five million, five hundred thirty thousand, twenty-six".