135212024 has 16 divisors (see below), whose sum is σ = 253822920. Its totient is φ = 67525920.

The previous prime is 135212003. The next prime is 135212029. The reversal of 135212024 is 420212531.

135212024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135211987 and 135212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135212029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507 + ... + 16634.

Almost surely, 2^135212024 is an apocalyptic number.

It is an amenable number.

135212024 is a deficient number, since it is larger than the sum of its proper divisors (118610896).

135212024 is a wasteful number, since it uses less digits than its factorization.

135212024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030 (or 20026 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 135212024 is about 11628.0705192220. The cubic root of 135212024 is about 513.2612034858.

Adding to 135212024 its reverse (420212531), we get a palindrome (555424555).

The spelling of 135212024 in words is "one hundred thirty-five million, two hundred twelve thousand, twenty-four".