135140026 has 8 divisors (see below), whose sum is σ = 231668640. Its totient is φ = 57917148.

The previous prime is 135140023. The next prime is 135140039. The reversal of 135140026 is 620041531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 135139979 and 135140006.

It is not an unprimeable number, because it can be changed into a prime (135140023) 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 in 3 ways as a sum of consecutive naturals, for example, 4826416 + ... + 4826443.

It is an arithmetic number, because the mean of its divisors is an integer number (28958580).

Almost surely, 2^135140026 is an apocalyptic number.

135140026 is a deficient number, since it is larger than the sum of its proper divisors (96528614).

135140026 is an equidigital number, since it uses as much as digits as its factorization.

135140026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652868.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 135140026 is about 11624.9742365306. The cubic root of 135140026 is about 513.1700864878.

Adding to 135140026 its reverse (620041531), we get a palindrome (755181557).

The spelling of 135140026 in words is "one hundred thirty-five million, one hundred forty thousand, twenty-six".