135121414 has 16 divisors (see below), whose sum is σ = 205302240. Its totient is φ = 66692160.

The previous prime is 135121397. The next prime is 135121417. The reversal of 135121414 is 414121531.

135121414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135121417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66802 + ... + 68794.

It is an arithmetic number, because the mean of its divisors is an integer number (12831390).

Almost surely, 2^135121414 is an apocalyptic number.

135121414 is a deficient number, since it is larger than the sum of its proper divisors (70180826).

135121414 is a wasteful number, since it uses less digits than its factorization.

135121414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its digits is 480, while the sum is 22.

The square root of 135121414 is about 11624.1736910629. The cubic root of 135121414 is about 513.1465268254.

Adding to 135121414 its reverse (414121531), we get a palindrome (549242945).

The spelling of 135121414 in words is "one hundred thirty-five million, one hundred twenty-one thousand, four hundred fourteen".