135215126 has 8 divisors (see below), whose sum is σ = 205601304. Its totient is φ = 66681360.

The previous prime is 135215117. The next prime is 135215141. The reversal of 135215126 is 621512531.

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 = 135215095 and 135215104.

It is a congruent number.

It is an unprimeable number.

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, 462920 + ... + 463211.

It is an arithmetic number, because the mean of its divisors is an integer number (25700163).

Almost surely, 2^135215126 is an apocalyptic number.

135215126 is a deficient number, since it is larger than the sum of its proper divisors (70386178).

135215126 is an equidigital number, since it uses as much as digits as its factorization.

135215126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926206.

The product of its digits is 1800, while the sum is 26.

The square root of 135215126 is about 11628.2039025810. The cubic root of 135215126 is about 513.2651284919.

Adding to 135215126 its reverse (621512531), we get a palindrome (756727657).

The spelling of 135215126 in words is "one hundred thirty-five million, two hundred fifteen thousand, one hundred twenty-six".